I work at compUSA and the tech shop decided to get rid of excess parts. They were selling a 40gig notebook hard drive for 50 bucks and i figured i could buy that and a enclosure and it would make a external hard drive. What would be the best way to utilize this? Should I stick all of my mp3's on it? Should I stick the OSX on it and run it from there. I am just trying to look for some better performance.