PCPartPicker part list: http://pcpartpicker.com/p/NbXZYJ
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($129.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($19.98 @ OutletPC)
Motherboard: Gigabyte GA-970A-DS3P ATX AM3+ Motherboard ($56.89 @ OutletPC)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($38.99 @ Newegg)
Storage: Western Digital Caviar Blue 500GB 3.5" 7200RPM Internal Hard Drive ($35.95 @ Amazon)
Video Card: Asus GeForce GTX 960 2GB Video Card ($174.99 @ SuperBiiz)
Case: Azza SIRIUS ATX Mid Tower Case ($25.50 @ Newegg)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply ($26.99 @ Newegg)
Total: $509.28
CPU: AMD FX-8320 3.5GHz 8-Core Processor ($129.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($19.98 @ OutletPC)
Motherboard: Gigabyte GA-970A-DS3P ATX AM3+ Motherboard ($56.89 @ OutletPC)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($38.99 @ Newegg)
Storage: Western Digital Caviar Blue 500GB 3.5" 7200RPM Internal Hard Drive ($35.95 @ Amazon)
Video Card: Asus GeForce GTX 960 2GB Video Card ($174.99 @ SuperBiiz)
Case: Azza SIRIUS ATX Mid Tower Case ($25.50 @ Newegg)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply ($26.99 @ Newegg)
Total: $509.28