yawn
oooh, multitouch and some different eye-candy. Can't wait!
Someone should tell these guys that (aside from a few pundits, who make a living from being excited by the mundane, invisible and infinitisimally different) that operating systems mean nothing any more. Once you've got something that doesn't crash, is secure and lets you do what you want with the data you have, there's not really a lot of reasons to care.
Putting aside Clarkson (which would always be a good move), no-one is interested in the working of their cars - provided they get you to where you want to go reliably, safely and economically. So it is with computers - they do a job, that's all. Whether they run Windows 7, XP, Linux or anything else (if there is anything else?) is irrelevant, provided it gets the job done.
Of course we'll know that MS have nothing new to offer when they start listing the various screen pretties as selling points. Oh wait .....