I had try Ubuntu 11.10 Oneiric Ocelot Alpha 3 and found Gnome3 on it. Not sure for it final release which will be set to default. This version also use Linux Kernel 3.0 that announced by the founder Mr. Linus Torvalds. Some new updated software were added too.
Here screenshot of Ubuntu 11.10 Oneiric Ocelot Alpha 3.
I will browse some new software that installed and will post about it soon.