D -Tools Teams with Visio Pioneer Chris Roth to Offer Visio Best Practices for D -Tools SI Users

Visio Guru to Contribute Series of Articles Consisting of Basic, Intermediate and Advanced Visio Topics in D-Tools Monthly Newsletter

CONCORD, CA - MARCH 19, 2008 - D -Tools, Inc., the worldwide leader in system integration software, today announced that Chris Roth, founder of the Visio Guy website and worldwide Visio resource, will be contributing a series of articles for the D -Tools monthly newsletter. The articles will address Basic, Intermediate, and Advanced Visio users and revolve around fundamentals and best practices.

"We are extremely pleased to team up with Chris and we look forward to his contributions to our newsletter," said Adam Stone, President, of D -Tools. "Chris was instrumental in helping us launch our Visio -based solution to the market and has continued to work with us over the years. Chris is a world -renowned Visio expert and we are proud to be able to work with him to help our customers get the most out of their D -Tools software investment."

Roth, founder of www.Visguy.com has elaborate experience ranging from working at Visio Corporation for 8 years as a developer, to a Microsoft MVP (Most Valuable Professional) since 2002, and is a Microsoft Certified Technology Specialist (Microsoft® Office Visio 2007, Application Development).

Roth has been consulting with D -Tools since 1999, where he was an original member of the Visio team and created some of the early versions of the D -Tools rack shapes, schematic shapes, Mid -Atlantic shapes, and Cinema Tech home theater chairs. In 2006, Roth assisted in the facilitation of the D -Tools SI5 development effort, developing more sophisticated versions of the schematic shapes, as well as tools for creating the next generation of Visio content for D -Tools new version of software.

Roth's articles will help D -Tools customers get the most out of the drawing capabilities of Visio, as well as introduce D -Tools to his Visio Guy audience. The first article will be featured in the D -Tools March newsletter, starting Wed. March 19th. Roth will be on -line answering questions in the D -Tools Visio newsgroup forum, as well as in the numerous Microsoft Visio newsgroups.

About D -Tools, Inc.

D -Tools, founded in 1998 and based in Concord, California, is a worldwide leader in accessible, highly accurate system design and documentation software. The company's flagship product, System Integrator™ (SI), is a total design solution that utilizes Autodesk® AutoCAD and Microsoft® Visio for comprehensive system design, documentation and project management. D -Tools SI allows commercial integrators to streamline their business processes to increase overall revenues while reducing the time and costs associated with the installation and integration of low -voltage systems. Over 2,000 leading companies use D -Tools software to reduce time and costs and streamline the system integration process. D -Tools is the recipient of the Consumer Electronics Association's Mark of Excellence Award (2004, 2005, 2006), National Systems Contractors Association and Sound and Video Contractor's Innovations in Technology for Business Productivity Award (2004, 2005) and CE Pro's High Impact Award for Design Software.

For more information, contact D -Tools at (866) 386 -6571, e -mail at info@d -tools.com or visit D -Tools online at www.d -tools.com.

Or contact Leslie Stevens of Eclipse Marketing at eclipsemarketing@cox.net or call 949.363.5340.

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