Several major improvements: Memberlist page added (planned since about beta 2), page group support added for non-JS ACL editor (oops!), and attempting to view a page for which you lack read permissions will get you logged.
/* This is the CSS file for the noneditable elements plugin */
.mceEditable {
/*border: 1px dotted #0000cc;*/
}
.mceNonEditable {
/*border: 1px dotted #cc0000;*/
}