How much do think this is worth?

Processor : AMD 6400 x2 (black edition)

Video Card : XFX 9800 GT

Memory : 8 gb, Corsair DDR 2 800

Motherboard : Asus 570 SLI

PSU : Coolmax 750 watt

Hard Drives, 1x 250, 2x 250, 3x 250 and 4x 500 (Total 1.25 TB's)

DVD Burner : Samsung 20x DVD DL (LS)

Case : Antec Nine Hundred

CPU FAN : ZALMAN 9500

Monitor : 24 inch Gateway, CC inputs, HDMI and DVI inputs

what should I ask for this? I didn't post this in Buy,sell & Trade I won't be trading on this site.