I don't worry about great visuals that they showed that weren't actually running on real hardware. It doesn't matter. Gamers don't make their purchase decisions based on movies that were shown in May for products that come out in March.
“If Romeo and Juliet make a tragedy of it nowadays, they have only to blame their own mismanagement, for the world is with them as it has never been before, and all sensible fathers and mothers know it.”
“I remember stealing some pic n' mix when I was seven; when I got out of the shop, I burst into tears.”