Well, RAnthony, didn't you yourself register mainly because of the BTTF games?
These are my safest bets about new posters who came here just because of the Back to the Future games:
Doctor Who 88
Master of Aeons
By the way, welcome all.
So, it's safe to assume that your theory is correct. With every new press announcement concerning the BTTF games, waves of new posters will enter the forums. About 25% never heard of Telltale Games, and about 30% will ask if BTTF will be like GTA.