Not working here on a T41 either
$ dpkg -l | grep gnome-power-manager
ii gnome-power-manager 2.18.0-0ubuntu1
frontend for gnome-powermanager-- fn f4 key no longer generates suspend with feisty on thinkpad t60 https://launchpad.net/bugs/89141 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
