To the contrary then most people believe, Revit Architecture can actually do complex shape as the Revit core engine can actually handles complex geometries. It is only that the current geometric tools are currently a bit limiting even though Revit Architecture 2009 Swept Blend function proves a great improvement.
The left is one of the illustration courtesy of Craig Barbier.
Currently residing in Kuala Lumpur, Malaysia. Have been using Revit since year 2002. Have use AutoCAD since version 10. An avid explorer of new technology. Always looking for an easier and more efficient way to work and share.