From TCMagazine: "Promised since the day Nvidia announced Ageia's acquisition, PhysiX support for GeForce graphics cards is finally here with the new 177.39 driver."

This new GeForce release, sourced by the guys @ TweakPC, is dated June 16 and comes with support for the GeForce 9800 GTX, GeForce GTX 260 and 280 graphics cards and the nForce 750a SLI and 780a SLI IGPs. Please note that you'll need the 8.06.12 (or above) PhysX driver installed too.

To get the new GeForce 177.39 driver just give 2Many a shout or two...

GeForce 177.39
GeForce 177.39 (Windows XP 32bit)
GeForce 177.39 (Windows XP 64bit)
GeForce 177.39 (Windows Vista 32bit)
GeForce 177.39 (Windows Vista 64bit)

PhysX driver version 8.06.12