Gparted fails to see the hard disk (works fine when called from system menu)
I'll be interested to see how the panel behaves under xmonad

EDIT Amazingly, it works! the category icons don't appear, but never mind. However, I can only run it as root. I installed as root, but I think that's what I did on the 13.1 machine as well. Maybe it only runs as root there too - after all, if you call it from the menu rather than the console, it requests the root password. So that's probably normal.