Gametrailers is known for a few surprises, so what if today's a holiday. Recently they updated with a fun teaser for SFIV. Note: This is said to be connected to the home edition of the game, and co-relates from start to finish. Not to mention it is an awesome animated piece, but it kicks ass. http://www.gametrailers.com/player/35813.html
Over @ the Capcom forums, a poster spilled some beans regarding another cutscene being shown during the San Diego Comic-Con. During the said event, Chun Li's involvement with this new tourney will also be shown.
*in addition to SDCC, SFIV will also be at the event!
I'm wondering if SFIV might even be @ PAX.