Nothing I've heard of yet. Can't imagine it being anything other than artbook, mini-CD and art prints that SE do for other special editions of games.
Was talking to a friend of mine about the FFXIII soundtrack when he reminded me that the composer, Masashi Hamazu,
left the company. In my mind it can only leave one suitable candidate, Takeharu Ishimoto, who did the soundtrack for Crisis Core. He's a guitarist so he's pretty good at handling the known songs of FFVII but his original guitar themes are also handled down to a tee:
And he's pretty good at the orchestral stuff as well, making an awesome version of One Winged Angel: