Ok this is what I got for less than $400. Taking advantage of combo, discount, and mail in rebate. If you buy it quick, you will get a great deal.
PCPartPicker part list / Price breakdown by merchant
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($99.99 @ Newegg)
Motherboard: Gigabyte GA-970A-UD3P ATX AM3+ Motherboard ($66.98 @ Newegg)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($48.99 @ Amazon)
Storage: Western Digital Caviar Blue 320GB 3.5" 7200RPM Internal Hard Drive ($24.00 @ Amazon)
Video Card: Sapphire Radeon R7 260X 2GB Video Card ($98.98 @ Newegg)
Case: BitFenix Neos Black ATX Mid Tower Case ($34.99 @ NCIX US)
Power Supply: EVGA 430W 80+ Certified ATX Power Supply ($24.99 @ NCIX US)
Total: $385.92
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-06-25 00:32 EDT-0400