I want to see Ansem the Wise's apprentices making amends with him, and just more of them in general. I'd love for them to have a happy ending.
Seeing the remainder of the old organization returning as themselves and not norts. I want to know all about them oAo
Riku taking over as the main character. I mean, Sora's great, but i think the end of the norts need a level of seriousness that I can't see Sora giving. EDIT: Alright, I get it, it's never going to happen, you can stop telling me. Doesn't make me want it any less.