This wide ranging application of Linux Networx supercomputing technology
confirms our position as the leading Linux supercomputing company in the
market today. The
company has delivered over 450 supercomputing clusters to more than
165 supercomputing customers around the world. The company's customer list represents a "who's who" of
supercomputing users, including Los Alamos National Laboratories, Sandia
National Laboratories , Boeing, BMW, Daimler Chrysler, Audi, Caterpillar, John
Deere, Total, Schlumberger and Shell Oil in the Oil and Gas industry. In addition,
Vitrea 2 software utilizes an intuitive clinical workflow and automatic
settings to improve speed and simplicity over other visualization techniques. The
company's technology utilizes high-speed volume visualization and analysis, as
well as network communications based on DICOM and Internet protocols. Press releases, examples of 3D medical imaging and
other corporate information are available on Vital Images' Web site at
http://www.

petri gernot

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Defense laboratories, such as ARL, to conduct a wide range of
focused research, development, and test activities .

7.

Except for the historical information contained herein, the matters
discussed in this news release are forward-looking statements within the
meaning of the Private Securities Litigation Reform Act of 1995 that involve
risks and uncertainties which could cause results to differ materially from
those projected, including dependence on market growth, the timely
availability and acceptance of new products, the impact of competitive
products and pricing, dependence on major customers, fluctuations in quarterly
results, third-party reimbursement, the availability of capital and other
risks detailed from time to time in Vital Images' SEC reports, including its
most recent report on Form 10-K for the year ended December 31, 2004.

stabilizing furio

Ewald, CEO of Linux Networx.2 GHz Intel Dempsey cores
for computation. All nodes will communicate via a 4X DDR
Infiniband network with 10 GigE uplink capability. For more information about the ARL MSRC,
visit http://www.hpc. Today, finding lung cancer at an early,
more treatable stage is the exception rather than the rule. We look forward to
working with Vital Images to broaden distribution of this unique combination
of CAD and advanced visualization solutions," said John Pavlidis, president
and chief executive officer of R2 Technology .

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armed
forces more quickly, less expensively, and with greater certainty of success. This new agreement will create a technology solution
that combines Vital Images' core competency of advanced visualization with
R2's core competency of CAD. "By pairing our CT Lung visualization
option with R2 Technology 's innovative lung CAD capabilities, we are providing
customers the best of both worlds. An R2 Technology research
study demonstrated that use of the ImageChecker CT Lung CAD system can
increase the detection of actionable lung nodules by calling attention to
potential abnormalities. As a medical software company, R2 Technology is developing CAD
systems for a variety of imaging modalities and disease states.

petri uncertainty

The system will increase the ARL MSRC's computational
capability by more than 21. For
more information about Linux Networx, visit http://www.

About Vitrea 2
Vitrea 2 software is Vital Images' advanced medical imaging software for
diagnostic evaluation of computed tomography (CT) and magnetic resonance (MR)
image data.vitalimages.

Vitrea(R) is a registered trademark of Vital Images, Inc.

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Linux Networx works with customers and technology partners to identify and
integrate emerging and proven technologies into a production-ready system.46 GHz
cores (24 nodes ) for login, storage, and administration and will have 7.

About ImageChecker CT Lung
R2 Technology's ImageChecker CT Lung CAD application combines innovative
lung nodule detection algorithms with a variety of measurement and display
tools for more efficient and accurate analysis .

persistent resilience

The system will also have 96 3.arl.
"We are proud of our ImageChecker CT Lung CAD software 's ability to
improve nodule detection and physician productivity.
Vital Images disclaims any proprietary interest in the marks and names of
others.

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The HPCMP provides the supercomputer services ,
high-speed network communications, and computational science expertise that
enable the U. The most powerful of the new systems is expected to be ranked in the
top twenty of the world's most powerful computer systems. The companies will jointly sell R2 Technology's ImageChecker(R) CT
Lung CAD software integrated into Vital Images' recently released CT Lung
visualization option.

almaden gabor

S.2 GHz mid voltage
chips were selected for the compute nodes due to their thermal efficiency. An 842-compute node Advanced Technology
Cluster, it will be comprised of 3368 mid voltage 3."
The third system is a 68 core test and development system with 7 TB of
disks to be delivered in advance of the other two systems . The Linux Networx
and ARL MSRC teams will work closely utilizing this machine to integrate the
DoD software environment.
"The complexity and fidelity of current production DoD calculations
consume terabytes of memory and tens of CPU years for a single simulation,"
said Jerry Clarke , Scientific Visualization Team Leader.com.
"The Vital Images installed base of more than 1,900 licenses provides a
ready market for this attractive package," said Jay D. Therefore, we are
seeing growing interest among radiologists and oncologists in advanced
visualization and CAD solutions.

, is a recognized
leader in the development and commercialization of computer-aided detection
(CAD), an innovative technology that assists radiologists in the earlier
detection of breast cancer and in improving the detection of actionable lung
nodules.

resilience predicate

The procurement increases ARL MSRC's computing capability to
over 80 trillion floating-point operations (TFLOPS), making it one of the
largest computing centers in the DoD. As a result, customers can immediately focus on delivering
computational solutions to their computational research and design challenges
-- not on supercomputing cluster setup and operations."
Details of the LS-1 system for the Dugway Proving Ground will be released
later this year. Created in 1996 under the High Performance Computing
Modernization Program, the ARL MSRC is one of the world's most powerful
computing sites.

persistence uncertainty

In addition, the procurement enhances
ARL MSRC's visualization capabilities."

ATC Supercomputers
ATCs are especially well suited for organizations that wish to pioneer new
technologies, new programming models or new levels of supercomputing scale. This system will increase the ARL MSRC's computational
capability by more than 28. The system will also have 112 3.4 TB of memory
and 260 TB (raw) of disk.Companies Will Co-Market R2 Technology's CT Lung CAD Software Integrated Into
Vitrea(R) 2 's CT Lung Visualization Option

MINNEAPOLIS, Vital Images, Inc.com .

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The Linux Supercomputers are part of the Technology Insertion 2006 (TI-06)
program, an initiative to modernize the Department of Defense high performance
computing (HPC) capabilities. Nietubicz, director of the ARL
MSRC and director of the High Performance Computing Division in the
Computational and Information Sciences Directorate (CISD).7 TFLOPs.
A 64 node scientific visualization supercomputing cluster, the LS features
dual Nvidia Quadro FX 4500 cards per node and an Infiniband network.

almaden hannaford

Linux Networx was selected due to its
recognized expertise in designing, building and delivering next generation
Linux supercomputers that leverage the price/performance value of open
software and hardware platforms.46 GHz
cores (28 nodes) for login, storage, and administration with 9. The ARL MSRC delivers the latest in computational tools and
innovative technologies. By serving as the physician's
"second pair of eyes", the ImageChecker CT Lung CAD algorithm automatically
highlights potential actionable lung nodules and quickly computes reproducible
measurements of detected regions.

About Vital Images
Vital Images , headquartered in Minneapolis, Minnesota, is a leading
provider of enterprise-wide advanced visualization solutions for use in
disease screening applications, clinical diagnosis and therapy planning.

resilience stabilizing

Linux Networx Announces Largest Supercomputing Order in the Company's History

Linux Networx is a key
partner in the drive to put advanced technology in the hands of U.
"We are honored to partner with the DoD on this key technology project,"
said Robert (Bo) H.
The visualization supercomputing cluster will allow for interactive
visualization of enormous datasets. This
system will allow for the interactive analysis of important calculations
currently impossible on available resources .linuxnetworx. The Center's full spectrum of computational
capabilities help DoD scientists and engineers develop, test, and field weapon
systems faster and more efficiently -- shortening the entire acquisition
process from research to production.

tomography inverse

"
"We've observed tremendous scalability for some of our applications on our
current commodity clusters," said Charles J.
The three Linux Networx ATC 's will be installed at the ARL MSRC this
summer. It is a
1122-compute node supercomputer with 4488 mid-voltage 3. In 2005 the company achieved
record orders, finishing the year with three consecutive quarters of record
growth.

About the Army Research Laboratory Major Shared Resource Center (ARL
MSRC):
The ARL MSRC is one of four DoD Major Shared Source Centers serving the
Defense community. Miller, Vital Images
president and chief executive officer. CAD algorithms examine a CT chest study and
automatically mark areas warranting further examination, thereby increasing
diagnostic accuracy and physician productivity. Vitrea 2 software features real-time navigation of 3D volume
data , permitting the user to create two and three-dimensional views of human
anatomy, and to interactively navigate within these images to better visualize
and understand internal structures and disease conditions .

persistent correctness

"The TI-06
increase in computing capability will give DoD scientists and engineers the
additional ability to solve more complex, three-dimensional, time-dependent,
physics-based problems in a timeframe that can provide the data necessary to
assist with weapon development and procurement decisions.

All nodes will communicate via a 4X DDR (20 Gbps)
Infiniband network with 10 GigE uplink capability .
R2 Technology, Inc., headquartered in Sunnyvale, Calif.

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LS-1 Supersystems
LS-1 Supersystems blend application-optimized performance with a
standardized systems experience to deliver ultimate supercomputing value,
thereby delivering significantly reduced total cost of operations (TCO).

hannaford inverse

"When you're dealing
with that much data, every aspect of visualization must be parallel.

About Linux Networx
Linux Networx, The Linux Supercomputing Company, delivers Linux
Supersystems that combine the price/performance advantage of Linux clusters
with real-world supercomputing expertise and technology innovation. This application can play an
important role in lung cancer diagnosis, monitoring and treatment follow-up
comparisons. For
information, visit http://www.

stabilizing semantics

DoD Procurement Includes Two Linux Supercomputing Systems Expected to Be Among
the Top Twenty Most Powerful Supercomputers in the World

SALT LAKE CITY, Linux Networx, the Linux
Supercomputing Company, announced today that the Department of Defense (DoD)
High Performance Computing Modernization Program (HPCMP), has placed the
largest single order for Linux Supercomputers in the company's history. The
DoD purchased five supercomputers from Linux Networx including three Advanced
Technology Clusters (ATC's) and one LS-1 for the Army Research Laboratory
(ARL) Major Shared Resource Center (MSRC), and an additional LS-1 for Dugway
Proving Ground.
A second system is also expected to be ranked in the top twenty of world's
most powerful computer systems."
Vital Images developed the CT Lung visualization option and recently
introduced it in Vitrea(R) 2, Version 3.
R2 Technology is the only company to receive FDA approval for the use of
CAD in improving the detection of actionable lung nodules during review of
multi-detector CT chest exams. Vital
Images cost effectively brings 3D visualization and analysis into the day -to-
day practice of medicine.
ImageChecker is a registered trademark of R2 Technology, Inc .

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By performing both the visualization
algorithms and rendering in parallel, a scalable solution for analyzing
calculations consisting of billions of computational cells will be achieved.

gernot inverse

2 GHz Intel Dempsey
cores for computation.5 TFLOPS.

persistent tomography

S. "This procurement features
our Linux Supercomputers powering a broad set of applications to solve a
number of complex challenges -- leveraging a variety of visualization
capabilities within the DoD and within the defense community special programs. This
will be the first scientific visualization supercomputer in the HPCMP.

Vital Images and R2 Technology Sign Joint Sales and Marketing Agreement

Additionally, the new agreement will allow for
closer collaboration with sales and marketing.

predicate photorealistic

The 3.1 TB
of memory and 196 TB (raw) of disk.
"Interconnects and file systems are critical to what we do, the
availability of a smaller advanced development system will ensure our users a
positive first experience when they get onto the larger production machines ,"
said Tom Kendall. LS-1
Supersystems arrive ready for production-at-power-up, pre-tuned and optimized
to match the specific needs of the customer application environment --
dramatically reducing initial operations cost while accelerating time to
productivity.
The first LS-1 system will also be deployed at the ARL MSRC this summer.mil.
(Nasdaq: VTAL), a leading provider of enterprise -wide advanced visualization
solutions, and R2 Technology, Inc., the market leader in computer-aided
detection (CAD) technology, have signed a three-year sales and marketing
agreement. R2 was given
the 2004 Frost and Sullivan Product of the Year award for its innovative CAD
product for lung nodule detection for chest Multi-Detector CT exams.com .

inverse resilience

Tom Kendall, Chief Engineer of the ARL MSRC, said: "The combination of
dual core processors with dual memory busses, DDR 4X Infiniband and fully
buffered memory into a power optimized system will provide DoD researchers
with an unprecedented level of high performance computing capability and
capacity.

About R2 Technology, Inc .r2tech.