I'm watching the live feed from the Microsoft //build/ conference, where they're going over Windows 8...
Windows 8 to use fewer resources. | Fix the Exchange!
Live feed from Microsoft:
Home - BUILD | September 13 - 16, 2011 | Anaheim Convention Center
The interface looks great for touch screen devices, I still want to see (and use) it on a desktop before passing any judgement there though.
Gnome went in a similar direction with Gnome 3, and I can't stand using Gnome 3 on a desktop.