I stumbled across this article about making almost any NVIDIA video card operate the CS5 Mercury engine:
http://www.studio1productions.com/Articles/PremiereCS5.htm
Have not tried it myself since I have neither CS5 or an NVIDIA card (yet).
Hope it helps!
http://www.studio1productions.com/Articles/PremiereCS5.htm
Have not tried it myself since I have neither CS5 or an NVIDIA card (yet).
Hope it helps!