From what i see
6800nU-only handicap to 6800gs is ddr memory
6800xt-its the 8 pipelines, but has ddr3 memory.
both cards have 256mb and are 256bit. So which one is better. I can't get a g80. Heck, i can't even afford the upcoming g71.
Roger
Really, an athlon 64 x2 3800+ is equal to a Pentium D 3.8Ghz. Not really. More like an Pentium D 3.2Ghz. But since, its no longer hyperthreading, then that's why the 3800+ beats the crap out of the Pentium D.
Roger
Don't forget windows or arctic silver thermal compound if needed. Other than that, looks good. Though the motherboard is questionable, you can get a DFI board for that price.
Roger
Off the top of my head. A gigabyte or msi motherboard with pci-exdpress for around $80. Athlon 64 3200+ 1GB Corsair Value, NEC 3550A DL DVD+_RW Burner, WIndows XP home, 80GB Sata Hard Drive, Aspire Case, ATI X1600PRO. That's around $600.
Roger