Instructions:Pixmania are offering 5% off IT equipment with voucher code 3JITUK from June 7th-9th, this is especially good for their graphics cards because they seem to be selling a few of them cheap to begin with.
SAPPHIRE Radeon HD 6870 £ 123.41 Inc. VAT
INNO 3D GeForce GTX 560 £ 127.21 Inc. VAT
PNY GeForce GTX 560 Ti £ 149.15 Inc. VAT
SAPPHIRE Radeon HD 6950 £ 170.05 Inc. VAT
note they charge for delivery but it's still hard to find these cheaper anywhere else