Vista is utter Crap. Windows 7 is pretty good. but it's not better than Windows XP, OSX or Linux.
Windows is just designed wrong, from the ground up, unless they start from scratch and use a "Virtual Machine" to run old apps I don't know how they can ever make windows "not suck".
All said and done, I'd use Windows 7 before I'd use Vista. Vista's memory usage is DOUBLE that of Windows 7, with no programs loaded (Vista about 1gb and Windows 7 about 512mb).
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