I'm getting the 970 soon and I know the rest of my computer is good enough I'm just not too sure about the PSU. I can't spend more than £55 and this is the best one I saw. It's a ThermalTake Hybrid modular 550w, will it be good enough?
PSU: http://www.scan.co.uk/products/550w-thermaltake-smart-series-sp-550m-hybrid-modular-80-plus-bronze-1x140mm-atx-psu
PSU: http://www.scan.co.uk/products/550w-thermaltake-smart-series-sp-550m-hybrid-modular-80-plus-bronze-1x140mm-atx-psu