Re: power supply strong enough.
Um, if it got dropped or something hit it or it got would your PC would be screwed...I wouldn't do it. Besides that, you'd have a mess of cables running into the Xbox...
So it's not the best idea...
C2D E6600 | 4GB DDR2-800 | 9800GTX+ | Asus P5B-E | 150GB Raptor | 320GB 7200.10 | 750W Xigmatek PSU