Re: New rig with 260 crashes....
When I see multiple apps/games "faulting" out I immediately start with the basic cpu/fsb/memory settings (along with vcore and vmem) First, set everything on default, do a little research on your mainboard/cpu and DDR2 to get the basics. There is a lot of info about all those on the XtremeSystems forums.
I'd start there instead of worrying about the GPU and drivers.
Intel Core i7 920 |Asus P6T Deluxe |3x2GB Gkill DDR3 |EVGA GTX 580 |LG L246W LCD|2 Seagate SATA HDs|Plextor 716A DVD-R|Windows 7 Ultimate x64|