The new features in AccuRender 4 for AutoCAD 2002-2007:
http://www.accurender.com/4/new.htm
I'm imagining that it may be possible to use the x-data contained in DWG exports from Revit to re-apply AccuRender materials in ACAD (with AR4) with an AutoLISP application. Someday, when I've too much time on my hands I may attempt it.
PS: http://www.accustudio.com/ has been updated recently.