I saw this last night, based on the life of Ip Man, the martial artist who lived through World War 2 and went on to teach Bruce Lee. Part of it was stylized action, part more subtle "art house" style storytelling. Somewhat reminiscent of "Crouching Tiger Hidden Dragon" but in a more modern setting, I found it thoroughly captivating. I definitely recommended seeing this film.
This isn't a new gimmick, though. Way back in the 80s (Hey, remember the 80s?), NBC ran a call-in where viewers could choose one of two endings to the episode of "The A Team" they were watching - something like "Is (character X)