PCPartPicker part list:
http://uk.pcpartpicker.com/p/Mzhzzy
Price breakdown by merchant: http://uk.pcpartpicker.com/p/Mzhzzy/by_merchant/
CPU: Intel Pentium G3258 3.2GHz Dual-Core Processor (£52.98 @ Amazon UK)
Motherboard: ASRock H97 Anniversary ATX LGA1150 Motherboard (£65.35 @ Amazon UK)
Memory: Crucial Ballistix Sport XT 8GB (2 x 4GB) DDR3-1600 Memory (£30.08 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£37.98 @ Novatech)
Video Card: Sapphire Radeon R9 380 4GB NITRO Dual-X OC Video Card (£159.99 @ Dabs)
Case: Thermaltake Versa H21 Window ATX Mid Tower Case (£29.62 @ Amazon UK)
Power Supply: EVGA 600W 80+ Certified ATX Power Supply (£40.98 @ Ebuyer)
Operating System: Microsoft Windows 10 Home OEM (64-bit) (£74.99 @ Ebuyer)
Total: £491.97
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-03-07 21:19 GMT+0000
you can upgrade the cpu later ...and with this mobo you can add an other r9 380 in crossfire later too