I'm sure it is no big secret but you know how Autodesk is. There is a new AutoCAD coming in for a landing very soon. It is another evolution of the product and the average AutoCAD should be very comfortable. There are a number of new features, most notably some awesome 3D modeling tools for doing crazy stuff. Think Rhino-like in AutoCAD.
Look for more information on the web and here as I have time. Great work Autodesk!