Yes, sounds interesting and I'm looking forward to seeing more about it. I actually posted a similar article regarding the same announcement, 3 posts up from yours (post 14) in this thread. It popped up on the newsreader this morning.
I think it'll be the most innovative OS in a while, and is basically exactly what I was getting at. Nothing at present makes good use of the touch interface. Too bad the Ubuntu phones are still over a year away!