Autodesk Autocad Revit 2008
Revit software allows you to design buildings. It allows you to create comprehensive design proposals in record time. The main aim of the Revit software is to produce higher quality designs and more complete documentation in less time using more efficient workflow procedures with Revit and other Autodesk products.

| Pricing : (As of Sep 07) |
See here. |
System Requirements can be found here.
FAQ can be found here.
Product Trial can be obtained from here.