Hi below is my proposed new build around £400 budget. let me know what you would change etc, did think it might be worth swapping to a 8 core as the price difference isn't much.
Sapphire Radeon R9 270X Boost OC 4096MB GDDR5 PCI-Express Card
AMD Piledriver FX-6 Six Core 6300 Black Edition 3.50GHz (Socket AM3+) Processor - Retail
ASRock 970 Extreme3 R2.0 AMD 970 (Socket AM3+) DDR3 ATX Motherboard
TeamGroup Xtreem LV "Frost Edition" 8GB (2x4GB) DDR3 PC3-19200C10 2400MHz Dual Channel Kit
Cooler Master Blizzard T2 CPU Cooler
thermal compound
at 409.65 so far including vat and delivery..
Sapphire Radeon R9 270X Boost OC 4096MB GDDR5 PCI-Express Card
AMD Piledriver FX-6 Six Core 6300 Black Edition 3.50GHz (Socket AM3+) Processor - Retail
ASRock 970 Extreme3 R2.0 AMD 970 (Socket AM3+) DDR3 ATX Motherboard
TeamGroup Xtreem LV "Frost Edition" 8GB (2x4GB) DDR3 PC3-19200C10 2400MHz Dual Channel Kit
Cooler Master Blizzard T2 CPU Cooler
thermal compound
at 409.65 so far including vat and delivery..