Obviously this warrants a certain amount of excitement. I fear that you will get your "keyboard monkey" developer, that will just moan about how things have changed, and how VS2005 was the best evah!
I do know that the features in team system about navigating an application that someone else has written for example, as a new recruit at a company, lend themselves very well to WPF, and the demos did look WPF'ish to me