Not suggestions to this website, but to the game itself. I know other games have some of this, but ffxi is better than those games without them, so imagine if they had this small details. I just think it would make the game ever better.
Ability to change hair, face, facial hair etc etc..
Ability to switch the way you handle your weapon.
Ability to Jump/Swimn/Climb
Ability to ride other things, like a horse, Rhino etc etc
Ability to see capes, mantles, belts (as an option)