A new video driver is out from nVidia. The previous good one or at least one that worked for me was 301.42. Development for this new one has taken longer than usual for whatever reasons. But it is here now.
My nVidia 306.23 install is working with Second Life. No pink textures, which some nVidia users were starting to see. Pink textures are caused by the video card and the viewer getting out of sync on which textures are which. When the viewer can’t get a texture to display, it shows the texture as pink. So, while the problem is in the video card and driver the pink is the viewer’s error signal.
I did have a problem with the PhysX failing to install. I am researching that now. There are a number of known problems with this driver. See the nVidia 306.23 Release Notes (PDF file) for a list.

