US$?
If you can get an extra 10:
PCPartPicker part list:
http://pcpartpicker.com/p/1294B
Price breakdown by merchant: http://pcpartpicker.com/p/1294B/by_merchant/
Benchmarks: http://pcpartpicker.com/p/1294B/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($209.99 @ Amazon)
Motherboard: Asus Z87-K ATX LGA1150 Motherboard ($101.99 @ NCIX US)
Total: $311.98
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-03 15:43 EST-0500)