Here is my xorg.conf. The resolution change worked on the left-hand screen, the one labeled "Mitsubishi".
** Attachment added: "xorg.conf" http://librarian.launchpad.net/5058957/xorg.conf -- Edgy upgrade: lost ability to change screen resolution https://launchpad.net/bugs/71577 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs