The Autodesk Informer:

CAD ADS

SolidCAD is an Autodesk Premier Solutions Provider. With a knowledgeable technical support staff, their emphasis is on providing solutions and not just products.

If your located in Ontario, Canada, contact SolidCAD

"Area31" offers "Custom programming, design ideas and other interesting oddities for CAD programmers"

"The Mad Cadder" offers "News and links on Autodesk Products such as AutoCAD, Architectural Desktop, Building Systems and Revit"

These are both excellent resources of information and offer clear, concise articles.

Both sites have been added to my "CAD LINKS" section.