£380 gaming pc

Here is something fro your budget

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD Athlon X4 750K 3.4GHz Quad-Core Processor (£54.90 @ CCL Computers)
Motherboard: MSI FM2-A75MA-E35 Micro ATX FM2 Motherboard (£42.90 @ Scan.co.uk)
Memory: Patriot Signature 8GB (2 x 4GB) DDR3-1600 Memory (£57.15 @ Ebuyer)
Storage: Kingston SSDNow V300 Series 120GB 2.5" Solid State Disk (£47.99 @ Aria PC)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£42.99 @ Amazon UK)
Video Card: Asus Radeon HD 7770 GHz Edition 1GB Video Card (£76.49 @ Amazon UK)
Case: BitFenix Comrade ATX Mid Tower Case (£29.99 @ Aria PC)
Power Supply: XFX 450W 80+ Bronze Certified ATX Power Supply (£20.00 @ Maplin Electronics)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer (£11.72 @ CCL Computers)
Total: £384.13
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-19 10:01 GMT+0000)