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Ueda recommended watching the new trailer several times to pick up on all its subtleties. In particular he pointed out the increase in character they've been working on with the bird-cat creature trico. You can also start to get a sense for how the relationship between trico and the boy will grow over the course of the game from initially unfriendly to forming a true bond. But Ueda did add that trico remains a free-willed animal throughout and may not always do what the boy says.
Ueda also announced that they are aiming for a holiday 2011 release. And while he later revealed that the upcoming HD version of Ico and Shadow of the Colossus will have 3D support, 3D support for Last Guardian remains undecided.