Just confirmed from Capcom's Gamer's Day press conference in London.
All we know so far is: "A stylized trailer of Ken and Ryu fighting was shown, but no actual gameplay footage, and while development has started the game is still more than a year away for whatever platform it ends up coming out on, Still, we can all rest easy that it is indeed on the way." -Kotaku
This is all over SRK and the official Capcom blog too, but it's been down due to flooding for the last few minutes.
i can't explain how excited i am.