As a Civil 3D and SCAN to BIM professional it is important to understand Revit. Autodesk has just released Revit LT. This provides a low cost platform for everyone to own a BIM Solutions and yes this LT version includes 3D, LOL. The full version of Revit is required for rendering materials.
Revit LT can be purchased as a stand-alone product.
Free Trial - http://usa.autodesk.com/revitlt/trial/
Features - http://usa.autodesk.com/revitlt/features/
How to buy - http://usa.autodesk.com/revitlt/howtobuy/