I just bought the Enermax 330w p.s., and I'm very pleased w/ it. Two fans, plenty of power connectors, and a long board power connector, allowing it to fit in the tallest of cases. A 92mm fan draws air from the case into the p.s. box, and an 80mm fan exhausts air out the back of the case. Both fans are true ball bearing. Man, I sound like an advertisement <g>.