The OCZ is not great,as it is a low end HEC made PSU. I would get the XFX PRO 450W.
If you were on a very tight budget this would have probably been better than the OCZ:
http://www.cclonline.com/product/982...t-OEM/PSU0486/
http://www.cclonline.com/product/763...W-PSU/PSU0307/