Note: This Suite can no longer be purchased as of the 2013 release. It is replaced by the
Building Design Suites.
AutoCAD Revit Architecture Suite software turns maximum flexibility into competitive advantage. The suite combines AutoCAD, AutoCAD Architecture, and Autodesk Revit Architecture software into a single, comprehensive solution. Make the switch to Building Information Modeling (BIM) at your own pace, while continuing to support existing software, training, and design data investments.
More at:
http://www.autodesk.com/revitarchitecturesuite