So I guess one concern with that is, what about four years from now? Obviously by then you'll of course be using an iPad 5 or 6 or whatever, because it will sim

So I guess one concern with that is, what about four years from now? Obviously by then you'll of course be using an iPad 5 or 6 or whatever, because it will simply be the Greatest Device Ever Until the Next One Is Released, and you no longer have the same credit card? Is that book lost forever? I'm not criticizing your decision to break down and buy a NookBook, I'm sure I'll do it too at some point -- I just can't help that little nagging voice saying "You'll be sorry!" I mean, I'm not super-concerned with the prospect of wasting $15... it's the principle of the thing.