I'm using the latest driver, --or atleast I believe I am. I updated from the nVidia site, I have a nVidia 8800 GT.
System Specs:
300 GB Seagate HDD
4GB (2x2 Vengeance DDR3 RAM)
1 nVidia 8800 GT
Intel i5-2500k processor 3.30Ghz not overclocked
Linksys Rangeplus Wireless USB Network Adapter WUSB100 Ver2
ATAPI IHAS424 Y ATA DVD/CD-ROM Drive
520w 80 plus certified psu