Decided to buy these items from scan.co.uk MSI HD 6870 ATI - AMD Radeon Graphics Card - 1GB R6870-2PM2D1GD5/OC - 1GB MSI HD 6870, 4200MHz GDDR5, GPU 900MHz, 1120 Stream Processors, DVI-D/ DLDVI-I/ HDMI/ 2x Mini DP Corsair Memory XMS3 8GB DDR3 1333 Mhz CAS 9 Dual Channel Desktop CMX8GX3M2A1333C9 - 8GB (2x4GB) Corsair DDR3 XMS3, PC3-10600 (1333), Non-ECC Unbuffered, CAS 9-9-9-24, 1.50V Corsair Enthusiast TX V2 CMPSU-650TXV2UK 650W Power Supply (PSU) CMPSU-650TXV2UK - 650W PSU, Corsair Enthusiast Series 650TXV2UK, 85% Eff', 80 PLUS Bronze, SLI/CrossFire, EPS 12V, Quiet Fan, ATX v2.31 SilverStone AP121 120mm Fan Silver SST-AP121-BL - 120mm SilverStone AP121 Air Penetrator 1500rpm FDB Blue LED Fan I use Windows 7 64-bit My motherboard is a ASrock M3A UCC the motherboard can be upgraded to 16 gb ram (Special board) Case is MARS BLUE GAMING ATX CASE PC COMPUTER TOWER & FRONT LED FAN