Subject says it all!
MSI
http://www.scan.co.uk/products/2gb-msi-gtx-670-power-edition-oc-28nm-pcie-30-(x16)-6008mhz-gddr5-gpu-1019mhz-boost-1079mhz-plusfree
Or
EvGA
http://www.scan.co.uk/products/2gb-evga-gtx-670-ftw-signature-ii-28nm-pcie-30-(x16)-6208mhz-gddr5-gpu-1006mhz-cores-1344-dp-dvi-hdm
forget the price!
MSI
http://www.scan.co.uk/products/2gb-msi-gtx-670-power-edition-oc-28nm-pcie-30-(x16)-6008mhz-gddr5-gpu-1019mhz-boost-1079mhz-plusfree
Or
EvGA
http://www.scan.co.uk/products/2gb-evga-gtx-670-ftw-signature-ii-28nm-pcie-30-(x16)-6208mhz-gddr5-gpu-1006mhz-cores-1344-dp-dvi-hdm
forget the price!