PCPartPicker part list:
http://pcpartpicker.com/p/R8YNwP
Price breakdown by merchant: http://pcpartpicker.com/p/R8YNwP/by_merchant/
CPU: AMD FX-6350 3.9GHz 6-Core Processor ($87.84 @ Newegg)
Motherboard: ASRock 970M PRO3 Micro ATX AM3+/AM3 Motherboard ($57.55 @ Newegg)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($47.99 @ Newegg)
Storage: *Hitachi Deskstar 1TB 3.5" 7200RPM Internal Hard Drive ($42.90 @ Amazon)
Video Card: Gigabyte GeForce GTX 750 Ti 2GB WINDFORCE Video Card ($109.99 @ Newegg)
Case: NZXT Source 210 Window ATX Mid Tower Case ($30.98 @ Newegg)
Power Supply: Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply ($23.99 @ Newegg)
Operating System: Microsoft Windows 8.1 OEM (64-bit) ($86.98 @ OutletPC)
Total: $488.22
Prices include shipping, taxes, and discounts when available
*Lowest price parts chosen from parametric criteria
Generated by PCPartPicker 2015-07-02 17:17 EDT-0400
Here is a way better build then what you are planning to get, all of the parts are on newegg or amazon except the operating system. If you can find a better deal on the operating system or have an old computer that you could switch to OS over to then you should do that.