Ubuntu OS for tablets is AWESOME!!!
http://www.youtube.com/watch?feature=player_detailpage&v=LoXpLUr5WB4Ubuntu OS for Phones - will be out on 2014!
OS Sailfish from Jolla - Worth the wait if it’s real.
Feel UX by Frog for Sharp Android
Windows 8 Consumers Preview! Nice Interface!
Tumblr Dashbord: Redesign
Not much changes made.