PCPartPicker part list:
http://pcpartpicker.com/p/nqgFYJ
Price breakdown by merchant: http://pcpartpicker.com/p/nqgFYJ/by_merchant/
CPU: AMD A10-7700K 3.4GHz Quad-Core Processor ($149.99 @ Amazon)
CPU Cooler: Scythe SCSMZ-2100 55.5 CFM CPU Cooler ($33.49 @ SuperBiiz)
Motherboard: ASRock FM2A88M EXTREME4+ Micro ATX FM2+ Motherboard ($59.99 @ Newegg)
Memory: A-Data XPG V2 8GB (2 x 4GB) DDR3-1600 Memory ($82.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($54.98 @ OutletPC)
Case: Fractal Design Core 1100 MicroATX Mini Tower Case ($27.99 @ NCIX US)
Power Supply: SeaSonic 360W 80+ Gold Certified ATX Power Supply ($62.99 @ Mwave)
Optical Drive: Samsung SH-224DB/RSBS DVD/CD Writer ($14.99 @ Newegg)
Total: $487.41
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-12 15:36 EDT-0400
Windows adds another $90 , but you could easily drop the cpu cooler and use the stock item .
You could also use a much cheaper but less efficient power supply and keep the cost with windows to $500
PCPartPicker part list:
http://pcpartpicker.com/p/BVytNG
Price breakdown by merchant: http://pcpartpicker.com/p/BVytNG/by_merchant/
CPU: AMD A10-7700K 3.4GHz Quad-Core Processor ($149.99 @ Amazon)
Motherboard: ASRock FM2A88M EXTREME4+ Micro ATX FM2+ Motherboard ($59.99 @ Newegg)
Memory: A-Data XPG V2 8GB (2 x 4GB) DDR3-1600 Memory ($82.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($54.98 @ OutletPC)
Case: Fractal Design Core 1100 MicroATX Mini Tower Case ($27.99 @ NCIX US)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Newegg)
Optical Drive: Samsung SH-224DB/RSBS DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Total: $500.90
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-12 15:38 EDT-0400