Maximum PC

I upgraded my video card and i want to sell the one that was in my system which was a Sparkle 9800gtx+,its in great condtion what's it worth to sell like on CL,ebay,ect,thanks.

Specs:
» NVIDIA GeForce 9800GTX+ chipset
» 512 MB GDDR3 memory
» PCI Express 2.0 bus type
» Core Clock: 738 MHz
» Memory Clock: 2200 MHz
» 256-bit memory interface
» 1836 MHz Shader Clock
» 400 MHz RAMDAC
» NVIDIA Unified Architecture
» Full Microsoft DirectX 10 support
» OpenGL 2.1 optimizations and support
» Advanced Spatial-Temporal De-Interlacing
» Inverse Telecine (3:2 & 2:2 Pulldown Correction)
» Certified for Windows Vista
» NVIDIA PureVideo HD technology (requires other compatible components that are HDCP capable)
» HDMI Ready
» Dynamic Contrast Enhancement

Probably around $70 or so, maybe less.