Hello, I currently have a Sapphire HD 6750 and I am now thinking about upgrading, would I get better performance in games such as ARMA, COD, BF etc with a second card crossfired or would I be better off purchasing one of the Nvidia 660's?
Sapphire Card spec: http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1073&pid=1189&psn=&lid=3&leg=0#
660's on this website: http://www.novatech.co.uk/products/components/nvidiageforcegraphicscards/nvidiagtx660keplerseries/?o=1
Sapphire Card spec: http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1073&pid=1189&psn=&lid=3&leg=0#
660's on this website: http://www.novatech.co.uk/products/components/nvidiageforcegraphicscards/nvidiagtx660keplerseries/?o=1