GPU2 would be best in your case. There's some guides around here that show you how to set up GPU2, along with stanford's guides.
The .exe you need "should" be this one: http://www.stanford.edu/group/pandeg...ystray-623.msi
~Gooda~
The .exe you need "should" be this one: http://www.stanford.edu/group/pandeg...ystray-623.msi
~Gooda~