I went to a Kingdom Hearts concert last Saturday. Yoko Shimomura was there, as well as Tetsuya Nomura. They unveiled the release date to the audience before anyone else, it was really cool. I've never heard such a loud explosion of nerd euphoria in my life when that January release date came up on the giant screen.
But yeah, I'm looking forward to 3. I tried playing the HD re-releases, but they feel a little too dated for me. I'm excited to play Kingdom Hearts with more modern game mechanics. It looks fantastic so far.
And no, I don't have the slightest understanding of the story line for these games. Something-something darkness something-something nobody something-something organization 13 or whatever.