They've moved the goal posts a bit, if you use it strictly for business then Jimmy14 is entirely correct, but if you also enjoy doing other stuff, stuff with music and video then I think you'd probably be better with Vista Premium as it contains all the bells and whistles for media files. The business edition is also approx £100 dearer than Vista Premium. If you go to the Microsoft website theres a wealth of info there about the differences. Personally I'm not going to bother, its too expensive and XP does all I ask of it.
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