Name the ranks (instead of "Admin" and "SuperAdmin" set it at whatever we would like so that users can either mimic their in game guild rank names or set up a new system for their site that helps them remember who can do what.Set ranks. Instead of having the predefined allowances let GP users set up the custom rank and custom powers that go with it.
Set the rank for multiple users at a time. Very, very self explanatory. Ticky boxes would be fantastic if added to the current member administration page.