Well i put my GTX8800 in along with these 257.15 drivers ( albeit 64 bit drivers for win 7), and they loaded in ok (no reboot prompt though) However, there is no "physix" option at all in the Nvidia Control panel. But running Vantage seems to suggest the GTX8800 is having some sort of effect (32K on CPU - up from usual 15K (QX9650
I have it with a 5970
~Ant
I have it with a 5970

~Ant