Best graphics card for £250?

[xTizERx]

Need a gpu for around £250 preferably NVidia . I have a 600w psu also, thanks

 

[rolli59]

AMD http://uk.pcpartpicker.com/part/sapphire-video-card-100363l
Nvidia http://uk.pcpartpicker.com/part/msi-video-card-n770tf2gd5oc

Very close in performance.