PCPartPicker part list:
http://pcpartpicker.com/p/Nm3PK8
Price breakdown by merchant: http://pcpartpicker.com/p/Nm3PK8/by_merchant/
Benchmarks: http://pcpartpicker.com/p/Nm3PK8/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($117.98 @ SuperBiiz)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($69.99 @ Newegg)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($54.43 @ OutletPC)
Video Card: Sapphire Radeon R7 260X 2GB Video Card ($115.38 @ Newegg)
Case: Rosewill REDBONE ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($26.99 @ Newegg)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($15.00 @ Newegg)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Wireless Network Adapter: TP-Link TL-WDN3200 802.11a/b/g/n USB 2.0 Wi-Fi Adapter ($21.99 @ Newegg)
Total: $611.72
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-28 11:48 EDT-0400)