Please read the Installation Notes, to do otherwise will result in a less than stellar experience.
This is Ubuntu 11.04 preloaded with Gnome 3.0 shell. It includes a functioning Ubuntu unity desktop as well. It comes preloaded with some extensions & themes to enhance your introduction to Gnome 3.0 shell.
Read the installation notes, visit the forum, give us some feedback or get some questions answered. http://ubuntuforums.org/showthread.php?t=1754198