Submission + - Ubuntu 11.04 "Natty Narwhal" Officially Released! (digitizor.com)
Ubuntu 11.04 is based on Linux kernal 2.6.38.3 and has the much talked about Unity interface. The Unity interface is based on GNOME 3 and built using Compiz. It is a radical departure from the classic GNOME desktop — but after using its learning curve is not steep.