Out of the 3, I think Sony did the best. They definitely stepped up from last year. Microsoft and Nintendo also did good.
(++++) Final Fantasy XIV - WOW My heart skipped a beat.
(+++) Final Fantasy XIII Trailer, that was pimp.
(+++) GoW 3 DEMO!
(++) Metal Gear Solid: Peacewalker
(+-) AC2 Demo
(+-) PSPGo
(-+) The new motion controller
(-+) Lost Planet 2