The nvidia driver 304 is the only one that works, and works well.
I have a Dell XPS m1530 with a Nvidia 8600gt. 603-A2 revised, no failures after getting it repaired, great laptop for $200 now. Guy on ebay is offering the service. Just thought i would inform the community.
Main computer--> Asus P5q-pro,Intel q9650, liquid cooling, 6GB DDR2 ram, Nvidia GTX260 896MB, HDD's-1tb, 640gb, 500gb, 320gb, 250gb, 120gb, 850 watt PS, 23"display.Last os 7 64 bit(Win7), Ubuntu 12.04, Ubuntu 13.06, Kwheezy, Netrunner 13.06, Hybryde linux, Linux mint