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It takes a bit of work, but Windows can be run trouble free. It's the added details (like Exposé) and the tight integration of OSX that make me love my Mac though. :)
 
I have to have a PC here for work, it runs Windows XP and Windows 2003 Server, I can't see anything wrong with either OS, Windows is boring though and if it wasn't for work I wouldn't have it here at all. My personal opinion is that Windows like every other OS out there is as good as the person using it.
 
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