There's a new NVIDIA GeForce driver out on the loose. This is Forceware 182.67 WHQL. The driver is available for Windows Vista 32- and 64-bit and for Windows XP a 64-bit flavor is available.
Very little is known about this driver. Should your graphics card not be supported, :) included in the archive is a zip file with modified .inf files you can use to make it compatible (courtesy of laptopvideo2go).
XP 64-bit
Vista 32-bit
Vista 64-bit