IMHO if WinRT is not going to be for "Desktop Apps" then this is a *HUGE* mistake!

*IF*  WinRT can be the basis for removing over time the old WIn32 and other outdated cruft like GDI then it lays down a basis for a new WIndows core API that we can move foreward with.

but if WInRT is limited to "Metro" apps then if Metro fails to take off then what happens?

seems like WinRT should be allowed to stand on it's own even if Metro / Touch become a fad or a fail.