There's a new lighting system and cut-scenes are 'controllable' he reveals. They've "unified" cut-scene and in-game character models, except the hair.
Yes all the detail in cut-scenes with characters will be part of the real-time experience except for the slighter better looking hair which can't carry over in the game proper. Voice acting sessions were held simultaneously at one point to create better conversations.
Also mentioned was a 'dynamic battle system' that would keep things from getting stale, but specifics were kept secret. Gamers can also at anytime use Noctis' phone during the game to snap photos. Nomura-san apologised to fans for having to wait so long.
Final Fantasy Versus XIII releases on PS3 at an undisclosed date.