Trying to figure out how much I can sell my computer for

[scheung053]

hey everyone! I'm trying to sell my computer that I had built 2 months ago. How much should I list if for? Here are the specifications:
AS Rock LGA1155 EXTREME4 Motherboard
Intel Core i5-3570K
CORSAIR Enthusiast Series TX650 V2 650W
G.SKILL Ripjaws X Series 8GB
Corsair Vengeance Series C70
Seagate Barracuda 1 TB HDD
MSI 660 TI PE GPU
Crucial M4 256 GB SSD
Cooler Master Hyper 212 EVO
TP-LINK TL-WDN4800 Dual Band Wireless N900
NZXT Sleeved LED Case Light Kit (Blue)
Logisys Blue Deluxe Sound Activated
Logisys Green
Cooler Master SickleFlow 120mm Blue LED Fan

And it has Windows 8 installed.

 

[mikeangs2004]

$750+shipping