As far as the powersupply....get teh 420W Enlight PSU from newegg. They just dropped the price on it from about $50 to $32. I have it an it is an awesome PSU, with 2 fans and for the price you can't beat it.
http://www.newegg.com/app/viewProduc...103-604&depa=1
**edit**
420W is more than enough BTW.