PCPartPicker part list:
http/uk.pcpartpicker.com/p/PJHrdC
Price breakdown by merchant: http
/uk.pcpartpicker.com/p/PJHrdC/by_merchant/
CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor (£143.99 @ Amazon UK)
Motherboard: Gigabyte GA-H81M-S1 Micro ATX LGA1150 Motherboard (£32.20 @ Amazon UK)
Memory: Kingston HyperX Fury Blue 8GB (2 x 4GB) DDR3-1600 Memory (£31.49 @ Ebuyer)
Storage: PNY CS1111 240GB 2.5" Solid State Drive (£60.53 @ Amazon UK)
Video Card: Gigabyte GeForce GTX 950 2GB OC Edition Video Card (£123.96 @ More Computers)
Case: Rosewill R363-M-BK MicroATX Mid Tower Case w/400W Power Supply (£54.99 @ Amazon UK)
Total: £447.16
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-15 23:59 GMT+0000 if your buying new.
or if you forgo the ssd
PCPartPicker part list:
http/uk.pcpartpicker.com/p/mT9FQ7
Price breakdown by merchant: http
/uk.pcpartpicker.com/p/mT9FQ7/by_merchant/
CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor (£143.99 @ Amazon UK)
Motherboard: Gigabyte GA-H81M-S1 Micro ATX LGA1150 Motherboard (£32.20 @ Amazon UK)
Memory: Kingston HyperX Fury Blue 8GB (2 x 4GB) DDR3-1600 Memory (£31.49 @ Ebuyer)
Storage: Hitachi Ultrastar 1TB 3.5" 7200RPM Internal Hard Drive (£31.19 @ Aria PC)
Video Card: Gigabyte GeForce GTX 960 4GB Video Card (£159.99 @ Ebuyer)
Case: Rosewill R363-M-BK MicroATX Mid Tower Case w/400W Power Supply (£54.99 @ Amazon UK)
Total: £453.85
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-16 00:04 GMT+0000
you can jump to the 960 for 3-4 quid more than your budget.