totally overpriced, a power supply is a power supply, within reason. There are supplies taht are half the price, just get you a vinyl skin for it if you want it to look cool.
You should be able to find a nice supply for $80-$140 depending on what you want
http://www.buyreliant.com/psupplies/psv300.htm
That is a great supply and the best deal going. It will even run my hudy truer. If not something like that then just get a rivergate, I have a 50amp that is 10 years old