Have you tried out the free Community Commands AutoCAD plug-in on Autodesk Labs? http://labs.autodesk.com/utilities/acad_community_commands/
This plug-in allows you to explore other commands from the community of other AutoCAD users submitting CIP (Customer Involvement Program) data based on your AutoCAD usage.
There is a YouTube video overview of this plug-in. Getting started with Community Commands
Keep your eye on the Autodesk Labs for some cutting edge technologies!
Cheers,
Shaan
