Ubuntu Guide shows you how to install Cinnamon the Mint Desktop in Ubuntu 12.04/11.10
Cinnamon is the default desktop environment in the new Linux Mint 13. It's a fork of Gnome Shell that brings the classic Gnome 2 feel. This simple tutorial will show you how to install the latest stable version of cinnamon desktop.Install Cinnamon the Mint Desktop in Ubuntu 12.04/11.10
For now the latest cinnamon is version 1.4. The Cinnamon stable ppa provides packages for Ubuntu 12.04 Precise and 11.10 Oneiric (but Oneiric will not get any new update).