M$ and User Interface

Just watched the screenshots of M$ Office 12 and was amazed on how great the interface has been changed. I see that M$ is pushing more and more changes in the UI both for Office 12 and Windows Vista. I wonder how much time a usual (not power) user will need to spend to get used to the new UI?

So as I think, when Win Vista and Office 12 will arrive, a user will have a nice choice of either spending lots of money on buying all these new software (+ hardware since Win Vista requires quite a lot of it) and then spend a time on getting used to new things, or just getting on of those nice Linux distros (Fedora, SuSE, Mandriva, whatever) for a much less money without any need for very powerful hardware and spend the same time getting used to the IU offered by software from Linux distro.

The first thing I thought looking at Office 12 screenshots was: \”why don\’t one move to openoffice since it I believe it will be much easier to get used to it than to new, fancy UI of Office 12?\”