I built this a few weeks ago but have no need for it anymore. It has no OS on it. I could put the Win7 RC on it, I think?

*** MONITOR NOT INCLUDED ***
GIGABYTE GA-MA770T-UD3P AM3 AMD 770 ATX AMD Motherboard
AMD Athlon II X4 620 Propus 2.6GHz Socket AM3 95W Quad-Core Processor ..... This system includes the retail HSF. I have applied Arctic Silver 5 thermal compound to the CPU.
EVGA GeForce 9800 GTX+ 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)
Antec Nine Hundred Black Steel ATX Mid Tower Computer Case
LG DVD Burner Black
Microsoft Comfort Curve 2000 B2L-00047 Black USB Ergonomic Keyboard and Mouse