Guess I'm not really on topic with all the 7800, 7900, and 8800 topics, but here goes.
System mentioned in signature.
For those who can't see for some reason...
Gigabyte K8NSC motherboard, AGP/DDR400 dual channel/SATA150/Athlon64
3700 San Diego Core Athlon 64 Socket 939
2gb 2x 1024mb...