Looking for a quick solution for your drawing (DWG) files, then look at the new FREE* solution offered by Dassault Systèmes
DraftSight™ is a professional-grade, open 2D CAD product for users who want a better way to create, edit and view DWG files. DraftSight is easy to use and is available for professional CAD users, students and educators to download and activate for free*. It had been in beta stage so far but now has been released as for general public use and best thing is that it is free* to download and use
Based on an advanced architecture, DraftSight™ has a small footprint, should take a few minutes to download, and supports Microsoft® Windows XP®, Windows Vista®, Windows® 7, Mac® OS X (10.5.8 or above). (Linux® coming soon).
If you work for an organization that needs five or more DraftSight™ licenses then you consider the Premium Pack that includes a network license, API, telephone and email support. For more information, send an email to Premium(at)draftsight.com. Specifically designed for educators, the Education Premium Service includes curriculum materials, network licensing and telephone and email support. For more information contact your local reseller.
*Standalone license. Activation required.