Which compnay is better??? running 8800GTX??

EVGA, XFX, MSI, ASUS, GIGABYTE, LEADTEK or more please suggest one for me

im getting 8800GTX but i dont know which manufature provide better quality??

Please guide me

Intel Quad Core 2.40 Q6600

Ram 2 GB A-Data

GPU: Asus EN8800GTX 768 Ram

Motherboard: ASUS P5K Premium

Can i run Crysis and Gear of War at higest detail with my current spec??

My PC current running Spec:

Intel core 2 quad Q6600 (2.40mhz)

Ram: 2 GB A-Data Ram 1000 Mhz

Graphic: Asus 8800 GTX (768 ram)

Motherboard: Asus P5K Premium

Can i run "Gears of War" in highest detail ?? with my current spec??

I've tried running Asus 8800GTS (640MB) in crysis.. i only could run till highdetail mode but not highest detail..

So im changing into Asus EN8800GTX, can i run Gears of War and Crysis in Full detail??