BSOD during games, crossfire 6950 - ntoskrnl.exe

System Manufacturer/Model Number: Home Made
OS: Windows 7 Home Premium x64
CPU: Intel 2500k @4.5ghz 66deg max P95/IBT
Motherboard: Gigabyte Z68A-D3-B3
Memory: 8 Gigs Patriot Viper 2 Extreme @1600
Graphics Card: EVGA GTX 580 3 GIG 35degrees idle
Sound Card: Nvidia HD audio via HDMI to 7.1 Receiver
Monitor(s) Displays: 32" Olevia hdtv
Screen Resolution: 1080p
Keyboard: Logitech wireless Combo, G13
Mouse: G300
PSU: Corsair vx550w
Case: Thermaltake V3 black
Cooling: CM 212+(push n pull) 4 case fans
Hard Drives: 64gig SSD(OS/Apps) 250gig (Files and Dox) 1tb (imaging and backup)
Internet Speed: 40mps
Other Info: Two others up and running; C2D E5200/MSI G41M-P26/Corsair XMS3 8gb/GTS 250 1gb and C2D E8200/xFx 750sli/8gb Corsair Dominator/2x EVGA 550ti Working on; i2600 Build... HP DV6 @Work I use a Lenovo 5536B8U + Lenovo U300s