Dell has a very good offer on the
BFG GeForce 7800GT OC 256 MB GDDR3 PCIe Card
for $314
after $35 off $300 code $DF97G9KXSNJWW (exp 10/26, only good for 10k) and $20 MIR (exp 10/31) and 10% instant off
ship is free
they will charge a couple bucks for handling.