Thank you Paul. I'll see if I can get the boss to spring for a new card. It's unlikely but worth a shot.

I've been tasked with looking into "3rd party" rendering options for our Architecture firm. So reading some revit forums I took the suggestion to try Octane. However I can't seem to get the demo to work at all.

Information-
Windows 7 64 bit.
Revit 2013 64 bit.
Nvidia Quadro FX4600 running driver ...