I got this, running Linux:
PCPartPicker part list:
http://pcpartpicker.com/p/dp62Jx
Price breakdown by merchant: http://pcpartpicker.com/p/dp62Jx/by_merchant/
CPU: Intel Core i3-4160 3.6GHz Dual-Core Processor ($96.99 @ SuperBiiz)
Motherboard: ECS B85H3-M3(1.0) Micro ATX LGA1150 Motherboard ($27.79 @ Newegg)
Memory: Kingston 2GB (1 x 2GB) DDR3-1600 Memory ($10.20 @ SuperBiiz)
Storage: Western Digital AV 160GB 3.5" 7200RPM Internal Hard Drive ($19.90 @ Amazon)
Video Card: XFX Radeon HD 5450 1GB Video Card ($23.80 @ SuperBiiz)
Case: Thermaltake Versa H21 Window ATX Mid Tower Case ($18.25 @ Newegg)
Power Supply: EVGA 400W ATX Power Supply ($3.99 @ NCIX US)
Total: $200.92
Prices include shipping, taxes, and discounts when...