Well, all i can say is do some research and look at benches. If i were you, i would stick with ATIs 1K series cards since the drivers currently have no issues (well mine doesnt with my 1900XT). And i do have to say, i had many problems with my old 6600GT and its drivers.
Try doin a yahoo/google search of like "X800 vs. 7600GS" or something, thats wut i normally do.
o yea sry about hte whole ATI/Driver thing, my mistake, i've just seen ppl say ATI drivers sucked and they've nvr used them before and it makes me real mad
*Opteron 165 1.8Ghz
*DFI Lanparty UT nF4 Ultra-D
*HIS Hightech X1900XT 512MB w/ Zalman VF900 (Core: 690Mhz, Mem: 1500Mhz)
*G.Skill 1GB DDR 400
*Kingwin Mutant X Series
*HP IDE Lightscribe DVD Burner
*Seagate Barracuda 80GB SATA II
*Maxtor 80GB IDE
*OCZ Gamexstream 600W PSU