A fan on the GTA Forums sent Rockstar an e-mail with regards to Grand Theft Auto V. According to his post, he wasn't really expecting much of a response, but Rockstar surprised him with the following e-mail.
For news on Grand Theft Auto V keep an eye on the Rockstar Newswire in the coming month:
http://www.rockstargames.com/newswire
Cheers,
Rockstar Games
Assuming he didn't make the whole thing up—and I've little reason to think that he did—it looks like we can look forward to some new revelations about GTA V in February.