Price my Computer..Need Some Help Guys!

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Price my computer...what do you think is a reasonable price if I were to sell my computer. Just ballpark estimates are what i need! thanks guys

Intel Core i7-920 Bloomfield 2.66GHz LGA 1366 130W Quad-Core Processor

OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model
i have two sets of those
so its 8GB of Ram

EVGA 01G-P3-1280-TR GeForce GTX 280 1GB 512-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

320GB of Hard Drive Space. (SATA)
Regular DVD RW Drive
Motherboard full supports the processor/memory/vid card obviously.