La verdad, como recomendacion, no te dejes engañar por las Super ofertas, una razon, las especificaciones:

Asus EN8800GTX
Graphics Engine GeForce 8800GTX
Video Memory 768MB DDR3
Engine Clock 575MHz
Memory Clock 1.8GHz (900MHz DDR3)
Memory Interface 384-bit
CRT Max Resolution 2048x1536
Bus Standard PCI Express X16
D-Sub Output YES, via DVI to VGA Adapter
TV Output YES, via S-Video to Composite
HDCP Support YES
Adapter/Cable Bundled DVI to VGA adapter
Power Cable*2
HDTV-out cable
Software Bundled 3D Game: Ghost Recon, GTI Racing
3Dmark06
ASUS Utilities & Driver
Note Card Size: 10.5 inch length, 4.97 inch width, 1.43 inch height
6 pin power connector * 2 inside the box
Minimum 450W or greater system power supply (with 12V current rating of 30A)

Asus ENGTX260
Graphics Engine NVIDIA GeForce GTX 260
Bus Standard PCI Express 2.0
Video Memory DDR3 896MB
Engine Clock 650 MHz
Shader Clock 1400 MHz
Memory Clock 2.3 GHz ( 1150 MHz DDR3 )
Memory Interface 448-bit
DVI Max Resolution 2560 x 1600
D-Sub Output Yes x 1 (via DVI to D-Sub adaptor x 1 )
DVI Output Yes x 2 (DVI-I)
HDTV Output (YPbPr) Yes
HDCP Support Yes
TV Output Yes (S-Video to Composite)
Adapter/Cable Bundled 1 x DVI to D-Sub adaptor
1 x HDTV-out cable
1 x Power cable
Software Bundled ASUS Utilities & Driver
Note Special bundled: CD Leather Wallet
The card size is 4.376 inches x 10.5 inches
* Soporta PhysX Via Drivers CUDA.

Yo realmente Preferiria Gastar esos 100 y poco € mas en potencia Grafica y dar Rienda suelta a todo lo que se ponga por delante.

Salu2.