just to make it clear. once in dapper the shortcut for "log out" was broken. After that bug was marked as fixed it forekd like charm and still does.
in Edgy this is still broken please see: https://launchpad.net/distros/ubuntu/+source/control-center/+bug/63423 or https://launchpad.net/distros/ubuntu/+source/control-center/+bug/62163 -- "Log out" shortcut broken https://launchpad.net/bugs/39401 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs