you could always go with this and it would bive you an upgrade path to a i5 or i7 down the road
PCPartPicker part list:
http://pcpartpicker.com/p/3gmvR
Price breakdown by merchant: http://pcpartpicker.com/p/3gmvR/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3gmvR/benchmarks/
CPU: Intel Core i3-4130 3.4GHz Dual-Core Processor ($118.93 @ OutletPC)
Motherboard: Gigabyte GA-B85M-DS3H Micro ATX LGA1150 Motherboard ($69.99 @ Amazon)
Memory: G.Skill Sniper Series 8GB (2 x 4GB) DDR3-1866 Memory ($84.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($64.99 @ Amazon)
Video Card: EVGA GeForce GTX 750 1GB Video Card ($118.99 @ NCIX US)
Case: Enermax ECA3290A-G ATX Mid Tower Case ($49.99 @ Micro Center)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Micro Center)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($18.99 @ Newegg)
Total: $546.86
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-25 17:23 EDT-0400)