PCPartPicker part list:
http://uk.pcpartpicker.com/p/1PwNW
Price breakdown by merchant: http://uk.pcpartpicker.com/p/1PwNW/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/1PwNW/benchmarks/
CPU: Intel Pentium G3220 3.0GHz Dual-Core Processor (£39.59 @ Aria PC)
Motherboard: MSI H81M-P33 Micro ATX LGA1150 Motherboard (£31.70 @ CCL Computers)
Total: £71.29
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-02 23:26 BST+0100)