Ubuntu 12.04 and unity.

[Stephen]

Well while i may hate unity, getting gnome2/3 working is a cakewalk
now. install the one you want. logout and pick the one you want.

you do end up wasting space with unity still installed, but at least it works.

-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen