I have been playing with the new Max Design 2009 Software, and am very impressed with the MR presets found in the Enviroment roll-out. getting good results with revit 2008 models rendered fairly quick.
now just waiting for Revit 2009 to become available
Core2Quad 6600 2.4Ghz, 4Gb Ram, XP Pro, Quadro FX 1700 Graphics card