GeForce PCX 8800GT 512MB (256BITS) DDR-III OVERCLOCKER
19000 rs
GeForce PCX 8600GTS 256MB (128BITS) DDR-III I-CHILL LITE
11700
GeForce PCX 8600GT 256MB (128-BITS) DDR-III I-CHILL LITE
9000
GeForce PCX 8600GT 256MB (128-BITS) DDR-II
7000
GeForce PCX 8500GT 512MB (128-BITS) DDR-II I-CHILL LITE
6500
GeForce PCX 8500GT 512MB (128-BITS) DDR-II
5800
GeForce PCX 8500GT 256MB (128-BITS) DDR-II
5300
GeForce PCX 8400GS TC 256MB (64-BITS) DDRII
3300
GeForce PCX 7900GTX 512MB (512-BITS) DDRIII
20000
GeForce PCX 7600GS 256MB (128-BITS) DDR-II
5600
GeForce PCX 7300GT 512MB (128-BITS)
4100
rite now im usin nvidia geforce 8400m gt GPU which comes with my laptop rest is up to you how much your want to spent