Hmmm. No 12.04 installs to hand.

Couple of quick screen grabs from a Xephyr session on my main box with different DPIs just to see how it copes.

From running outwith the constraints of the 840x480 session, it appears the main window requires >840 (there is a properties icon in the far top right that is missed out) and the first two columns cannot be made any smaller.

Filed under nice, but no. Very quick though.