I like Linux and all for development but for main computer use, you can't beat Windows.
The lame thing is that MS only has Win7 upgrade for $30 for students... and schools (mine, at least) only sell upgrade versions for special deals. Full versions are full price. So if you have copies of XP/Windows you can use those to upgrade to Win 7 for $30, but you probably don't.
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_foolmo_
mobile computer