PCPartPicker part list:
http://uk.pcpartpicker.com/p/mfY8CJ
Price breakdown by merchant: http://uk.pcpartpicker.com/p/mfY8CJ/by_merchant/
CPU: AMD FX-6300 3.5GHz 6-Core Processor (£75.00 @ Amazon UK)
CPU Cooler: Noctua NH-D14 65.0 CFM CPU Cooler (£55.88 @ Amazon UK)
Motherboard: ASRock 970 EXTREME4 ATX AM3+ Motherboard (£69.56 @ Scan.co.uk)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£55.00 @ Amazon UK)
Storage: A-Data Premier Pro SP600 128GB 2.5" Solid State Drive (£49.99 @ CCL Computers)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£34.45 @ Aria PC)
Video Card: MSI Radeon R9 280X 3GB TWIN FROZR Video Card (£175.54 @ Scan.co.uk)
Case: Phanteks Enthoo Pro ATX Full Tower Case (£89.99 @ Scan.co.uk)
Power Supply: Antec High Current Gamer 620W 80+ Bronze Certified Semi-Modular ATX Power Supply (£62.99 @ Amazon UK)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer (£10.50 @ CCL Computers)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£72.99 @ Amazon UK)
Total: £751.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-02-12 15:18 GMT+0000
Here you go. Put together an AMD build with: An A-Data SSD, A WD Caviar Blue HDD, An Asus r9 280x DirectCU II GPU, an Antec High Current Gamer PSU, and some Corsair Vengeance RAM.