gNatty: Ubuntu 11.04 Remaster With GNOME 3 (Includes Both GNOME Shell And Unity)

gNatty is an Ubuntu remaster based on Ubuntu 11.04 which includes GNOME 3.0 packages via the UGR (Ubuntu GNOME Remix) project as well as the ricotz/testing PPA.
The customization only includes GNOME 3, so everything else is similar to Ubuntu 11.04. An important aspect of gNatty is that you can run both GNOME Shell and Unity (3D) as long as your computer supports them, by simply selecting one of the two in the GDM login screen as you can see in the short video below (gNatty running in VirtualBox):