Ubuntu – How to install Unity after installing Desktop Edition

No, that method won't work, as the new UNE interface uses a specifically created panel, not in any form related to the old gnome-panel UNE in Lucid used. So, as of now, you really can't customize/add/remove things.

This new panel only holds down the indicator-applet (indicator-applet-complete) package. Let's see what's coming in Natty for UNE and if options like this one, autohide, etc, are added.

You can install the ubuntu-netbook-efl and ubuntu-netbook-efl-default-settings packages (using apt-get or the Software Center) to get one of the 2 versions of the old netbook interface (the one that doesn't require 3D support).