I am not going in your Surface Pro thread, Dbake, because it will end up being a giant time sink. But I recommend that you stay away from the Surface for now. The RT has no apps. The Pro is priced like a Macbook Air or one of its high end clones and the user experience isn't that great. I think the Surface Pro could be a really great product in a couple of years once Intel gets their Atom processors where they need to be, but right now the Pro is heavy, blows hot air on your hand, gets poor battery life, etc. I like where Microsoft's going with it a lot, but Intel just isn't there yet.
If Word is a requirement, I'd go with one of those thin Windows "ultrabooks" that look like Macbook Airs; you should be able to find one of them for about the same price as the Surface Pro.
(I can't unequivocally recommend a Macbook Air itself, as nice as they are, because, while I've always found the Mac version of Word to work interchangeably with the Windows version, the two Powerpoint versions are only 95 percent of the way there. I could not just trust that slides I'd created in the Mac version would look identical when the instructor opened them up in Windows.)