DFI Lanparty UT ULtra-D $120
AMD Athlon X2 3800+ $300, or so
36Gb Raptor $90
200GB Caviar $100
Corsair XMS 2X1GB Dual Channel $150
eVGA 7900 GT $300
that is about $1000, and is GREAT!, unless of course if you dont have a monitor, in which case ill have to make revisions.