How much is my gaming computer worth? (bought for 2500, all custom on newegg)

[Anesthet!c]

Operating System:Windows Vista Home Premium x64
Processor: Intel Core i7 920 (quad core) 2.67 GHz
Memory:6134 MB DDR3 Ram
Motherboard: P6T Deluxe V2
Power Supply: Antec 850 watt True Power Quattro
Hard Drive: VelociRaptor 300GB 10,000 RPM
Graphics Card: NVIDIA GeForce GTX 285
Monitor: ASUS MK241H, 24", 2ms HDMI Widescreen
Keyboard: Logitech G15 (orange)
Mouse: Logitech G5
Case: Antec 1200
CD Drive: Not really sure what it is, made by LG, plays dvd's and cd's, writes cd's as well (and dvd's I think)
+ 2 extra fans

I hope I didn't forget any components?