It is certain that something indicative of the new direction for the Final Fantasy XIII story is to be revealed, possibly XIII-3, but who knows? I personally am not overly excited about this as I was rather dissapointed with XIII and was not interested in purchasing XIII-2, but I'm sure it will interest some of you.
Many people are expecting some news of Versus XIII, which has recently been confirmed as still in development. An interview given by Nomura prior to false rumours of the game's cancellation stated that they were nearly ready to reveal more information about the game, so let's hope this is the time. I really hope we get a solid release date, extensive gameplay and cutscene previews and hopefully english voice actors! I wouldn't say no to a glimpse of some more cg, as the scenes we saw in the FF reveal in Jan 2011 were breathtaking as it is. I even heard that the graphics have improved since then!
But yes, I've digressed. What are you hoping for?