And here we go. Not a peep about Silverlight or WPF in what's come out as of this post. Microsoft, if your not going to ditch XAML based development in the next 10 years, please speak up about it. The messaging is really misleading about the dev story.
Man, that looks cool. Especially the window switcher. I would use that a lot. I work dailiy in 3D CAD environments where I am constantly panning around by pressing and holding the center mouse wheel (a.k.a. "Center Click"); how does this mouse do something similar?