Hello,
AutoCAD 2010 was announced:
http://finance.yahoo.com/news/Autodesk-Takes-3D-Design-and-prnews-14269988.html
Very exciting new features and better support for .NET programming for customizing entities (I plan to discuss this further soon).
Meanwhile, you may check these new features through a great collection of videos on the following page:
http://heidihewett.blogs.com/files/autocad2010videos.htm
Regards,
Fernando.