Also in your main post you said 500 MB hard drive :P
Damnit, you beat me to it!
Lol, I suck today.500mb...
I don't think that's even enough for XP.
XP is like... in the double digits of gigabytes.
XP does NOT take more than 5 GB.
a new prebuilt PC will have tons of crap installed besides the OS. vista isn't 30gigsreferring to another PC you must be comparing to