Costs about $1300 plus $300 for watercooling but I need some quick cash I'll let it go for 1000 shipped.
P.S. The DVD burner is broken and only works half the time right now but I can RMA it for you if needed.
Comes with all this:
heatware: DarkStar02 ebay: iSnowboard209
G.SKILL Extreme Series 2GB (2 x 1GB) 184-Pin DDR500 RAM 
Only a month or so old ~ $200. Newegg retail: $229.99
DFI LANPARTY UT nF4 Ultra-D Socket 939 
Comes with original box and cables ~ $80. Newegg retail: $99
AMD Opteron 170 Socket 939 Dual Core Processor 
Paid $410 when I bought it at [H]ardForums.
NZXT LEXA-NP Black/ Silver ATX Mid Tower Computer Case 
Paid $120 for it at newegg. Neweggs retail now: $105 AR.
HITACHI Deskstar 7K80 80GB - SATA 3.0 GB/s Hard Drive x2 
45 a peice at NE.
THERMALTAKE TR2 W0090RU 470W Power Supply 
Newegg retail ~ $67.99.
XFX 7900gt VIVO 520MHz Version with OCZ RAMsinks and maze4 waterblock with 80watt peltier 
Pictured without the waterblock. Paid $70 for the waterblock and pelt and $330 for the 7900gt.
Black Ice® GT Stealth 240 Radiator 
$50 new at DangerDen.
Copper TDX Block for Athlon64 754/939/940 
$50 new at DangerDen.
Danger Den Single 5 1/4" Bay Reservoir 
$30 new at DangerDen.
Danger Den DD12V-D5 Pump http://img167.imageshack.us/img167/3508/PUMP.gif
$75 new