Here you go. You can swap out the video card if you want but the rest of the build is about as cheap as you can get if you want an SSD.
PCPartPicker part list:
http://pcpartpicker.com/p/pV6t23
Price breakdown by merchant: http://pcpartpicker.com/p/pV6t23/by_merchant/
CPU: AMD Athlon X4 860K 3.7GHz Quad-Core Processor ($69.99 @ NCIX US)
Motherboard: MSI A68HM-E33 Micro ATX FM2+ Motherboard ($44.99 @ Directron)
Memory: Crucial 8GB (1 x 8GB) DDR3-1600 Memory ($37.49 @ SuperBiiz)
Storage: Sandisk SSD PLUS 120GB 2.5" Solid State Drive ($44.99 @ Micro Center)
Video Card: MSI GeForce GTX 960 2GB Video Card ($189.99 @ SuperBiiz)
Case: Cougar Spike MicroATX Mini Tower Case ($32.99 @ Mwave)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($41.98 @ Newegg)
Operating System: Microsoft Windows 8.1 OEM (64-bit) ($88.88 @ NCIX US)
Total: $551.30
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-07-31 01:10 EDT-0400
If you don't want an SSD then go with this.
PCPartPicker part list:
http://pcpartpicker.com/p/jgw2D3
Price breakdown by merchant: http://pcpartpicker.com/p/jgw2D3/by_merchant/
CPU: AMD Athlon X4 860K 3.7GHz Quad-Core Processor ($69.99 @ NCIX US)
Motherboard: MSI A68HM-E33 Micro ATX FM2+ Motherboard ($44.99 @ Directron)
Memory: Crucial 8GB (1 x 8GB) DDR3-1600 Memory ($37.49 @ SuperBiiz)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($46.89 @ OutletPC)
Video Card: MSI GeForce GTX 960 2GB Video Card ($189.99 @ SuperBiiz)
Case: Cougar Spike MicroATX Mini Tower Case ($32.99 @ Mwave)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($41.98 @ Newegg)
Operating System: Microsoft Windows 8.1 OEM (64-bit) ($88.88 @ NCIX US)
Total: $553.20
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-07-31 01:11 EDT-0400