PCPartPicker part list:
http://uk.pcpartpicker.com/p/25025
Price breakdown by merchant: http://uk.pcpartpicker.com/p/25025/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/25025/benchmarks/
CPU: AMD Athlon II X4 760K 3.8GHz Quad-Core Processor (£60.91 @ Scan.co.uk)
Motherboard: MSI FM2-A75MA-E35 Micro ATX FM2 Motherboard (£43.16 @ Dabs)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (£61.99 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£42.00 @ Aria PC)
Video Card: Asus Radeon HD 7770 GHz Edition 1GB Video Card (£79.98 @ Amazon UK)
Case: Fractal Design Core 1000 MicroATX Mini Tower Case (£25.60 @ Ebuyer)
Power Supply: Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply (£48.02 @ Amazon UK)
Optical Drive: LG GH24NS95 DVD/CD Writer (£12.36 @ Amazon UK)
Total: £374.02
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-19 21:19 GMT+0000)
And then with windows 7 (the PC you picked out doesn't have it included)
PCPartPicker part list:
http://uk.pcpartpicker.com/p/2504y
Price breakdown by merchant: http://uk.pcpartpicker.com/p/2504y/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/2504y/benchmarks/
CPU: AMD Athlon II X4 760K 3.8GHz Quad-Core Processor (£60.91 @ Scan.co.uk)
Motherboard: MSI FM2-A75MA-E35 Micro ATX FM2 Motherboard (£43.16 @ Dabs)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (£61.99 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£42.00 @ Aria PC)
Video Card: Asus Radeon HD 7770 GHz Edition 1GB Video Card (£79.98 @ Amazon UK)
Case: Fractal Design Core 1000 MicroATX Mini Tower Case (£25.60 @ Ebuyer)
Power Supply: Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply (£48.02 @ Amazon UK)
Optical Drive: LG GH24NS95 DVD/CD Writer (£12.36 @ Amazon UK)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£59.99 @ Aria PC)
Total: £434.01
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-19 21:20 GMT+0000)