I've had it installed on my main machine since late December. There were some rough patches as things were landing during the beta period, but right now this is easily the best desktop I've ever used. My workflow adapted to some of the additions in Unity so quickly that it was absurd. At this point I could never go back to something without Super+#, Super+w, Super+s and the other keybindings found here: http://askubu…
Those keybindings look awesome and make me want to upgrade. Guess I will try it out in a VM first though.
To do this, open Synaptic, go to Settings -> Repositories, and in the Other Software tab click Add and paste this line:
ppa:canonical-dx-team/une
Save your changes, then click the Reload button in Synaptic. When the new package lists are loaded, install the package called Unity. When you log out, you should be able to choose "Ubuntu Unity Netbook Edition" from the menu on the login screen.