PCPartPicker part list:
http://uk.pcpartpicker.com/p/6DYMJx
Price breakdown by merchant: http://uk.pcpartpicker.com/p/6DYMJx/by_merchant/
CPU: AMD Athlon X4 860K 3.7GHz Quad-Core Processor (£58.63 @ Amazon UK)
Motherboard: Asus A68HM-K Micro ATX FM2+ Motherboard (£36.48 @ Ebuyer)
Memory: Kingston 8GB (1 x 8GB) DDR3-1333 Memory (£26.51 @ Ebuyer)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£37.99 @ Amazon UK)
Video Card: Zotac GeForce GTX 960 4GB AMP! Edition Video Card (£164.99 @ Amazon UK)
Case: Fractal Design Core 1000 MicroATX Mini Tower Case (£28.95 @ Amazon UK)
Power Supply: XFX XT 600W 80+ Bronze Certified ATX Power Supply (£50.28 @ Aria PC)
Total: £403.83
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-03-28 19:22 BST+0100