XFX Pro series 650W
http://www.amazon.co.uk/XFX-P1-650S-NLB9-PRO650W-Edition-Supply/dp/B0045L5LGI/ref=sr_1_16?s=computers&ie=UTF8&qid=1360669798&sr=1-16
Or
OCZ Zs Series 65W?
http://www.amazon.co.uk/OCZ-OCZ-ZS650W-UK-Series-Bronze-Supply/dp/B005DJJRVQ/ref=sr_1_11?s=computers&ie=UTF8&qid=1360669798&sr=1-11
http://www.amazon.co.uk/XFX-P1-650S-NLB9-PRO650W-Edition-Supply/dp/B0045L5LGI/ref=sr_1_16?s=computers&ie=UTF8&qid=1360669798&sr=1-16
Or
OCZ Zs Series 65W?
http://www.amazon.co.uk/OCZ-OCZ-ZS650W-UK-Series-Bronze-Supply/dp/B005DJJRVQ/ref=sr_1_11?s=computers&ie=UTF8&qid=1360669798&sr=1-11