Budget Build for 500-600$

Try - Tom's - http://www.tomshardware.com/reviews/budget-gaming-pc,3854.html

or


CPU: Intel Pentium G3258 3.2GHz Dual-Core Processor ($69.99 @ Amazon)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.99 @ Newegg)
Motherboard: MSI H81M-P33 Micro ATX LGA1150 Motherboard ($48.37 @ OutletPC)
Memory: G.Skill Ripjaws X Series 4GB (2 x 2GB) DDR3-1600 Memory ($46.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($52.91 @ OutletPC)
Video Card: Gigabyte Radeon R7 260X 1GB Video Card ($119.98 @ SuperBiiz)
Case: Cooler Master Elite 311 (Silver) ATX Mid Tower Case ($36.99 @ Mwave)
Power Supply: SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply ($65.98 @ SuperBiiz)
Total: $466.20

Plus OS and peripherals.

Features overclocking cpu. See http://www.tomshardware.com/reviews/pentium-g3258-b81-cheap-overclocking,3888.html
 
May be a bit over your budget but worth getting it.

PCPartPicker part list / Price breakdown by merchant

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($109.98 @ OutletPC)
Motherboard: ASRock 970 Extreme3 R2.0 ATX AM3+ Motherboard ($79.98 @ OutletPC)
Memory: GeIL EVO Veloce Series 8GB (2 x 4GB) DDR3-1600 Memory ($80.99 @ Newegg)
Storage: Hitachi Ultrastar 1TB 3.5" 7200RPM Internal Hard Drive ($70.00 @ Amazon)
Video Card: Zotac GeForce GTX 760 2GB Video Card ($250.66 @ Newegg)
Case: Rosewill Galaxy-01 ATX Mid Tower Case ($49.99 @ Amazon)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($15.98 @ OutletPC)
Total: $677.57
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-05 03:41 EDT-0400
 
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