here is decent build:
PCPartPicker part list:
http://pcpartpicker.com/p/st9fbv
Price breakdown by merchant: http://pcpartpicker.com/p/st9fbv/by_merchant/
CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($174.89 @ OutletPC)
Motherboard: Gigabyte GA-B85M-DS3H Micro ATX LGA1150 Motherboard ($57.89 @ OutletPC)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($41.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($52.33 @ OutletPC)
Video Card: Sapphire Radeon R9 380 4GB Nitro Video Card ($198.98 @ Newegg)
Case: Corsair 200R ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: EVGA 500W 80+ Certified ATX Power Supply ($34.99 @ NCIX US)
Total: $611.06
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-10-20 00:10 EDT-0400