The PSU is 80 Plus Gold certified. While this is an energy efficiency rating, it is also a good indicator of the quality of the PSU. The higher the rating, the more expensive a PSU usually is. The PSU is also plenty enough wattage. You will have some room to play with in the wattage department should you decide to add/change anything in the future. I'd say it's a good fit to your needs.
This article lists how to pick the best PSU for you:
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCcQFjAA&url=http%3A%2F%2Fwww.pcworld.com%2Farticle%2F2025425%2Fhow-to-pick-the-best-pc-power-supply.html&ei=r_YkU9P7O8L10gHnioGQDQ&usg=AFQjCNH9ZGCw_kl8ewMFLlTPeDNtPf5u1A&bvm=bv.62922401,d.dmQ
Here is a PSU calculator. Use this to determine the wattage that you actually need:
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCwQFjAB&url=http%3A%2F%2Fwww.coolermaster.outervision.com%2F&ei=_PYkU5TgGOPD0QG0g4GwDg&usg=AFQjCNFvMxyFPtzLoOfDz_XocsUk22MzWA&bvm=bv.62922401,d.dmQ