no ! it is a terrible power supply as others with more experience than me will soon tell you,
go for a better brand like corsair, or antec, dont ever be tricked by tigerdirects pathetic ultra brand power supplies
in general more than the wattage is important in a power supply, like efficiency, current at the 12v line, etc. but in short ultra is not a good brand.
use this power supply calculator http://extreme.outervision.com/psucalculatorlite.jsp
and see how much power you really need,
Im sure somebody willl eventually tell you what power supply to buy as im not entirely sure how much power you will need