Thinking of selling my pc to raise funds for parts for a new one, could someone give me a rough guess as to how much I could expect?

Case: Thermaltake chaser mk 1
Mobo: Asus p8p67 pro
CPU: Intel i3-2100
RAM: 2 x 4GB corsair vengeance DDR3
GPU: Asus EAH6850 1GB
PSU: XFX PRO850W semi modular
SSD: 120GB OCZ agility 3 series
Lightscribe DVD-RW

All parts are in good condition