Here are some quotes that theforce.net got from other sources.
Quote: "Will we get to see an epic space battle right at the beginning of the movie."
Quote: The latter half of the film is very action-packed.
Quote: As Episode III begins, intrepid Jedi Knights infiltrate the most secure areas of Grievous' flagship, to spoil his plans of victory over Coruscant.
Quote: "The first hour of the film is all fighting. The last hour of the film is all fighting. The middle is the gushy stuff."
Quote: Episode III is 60-70% fighting.
Quote: Episode III starts with a bang. The starfleets of the Galactic Republic and Confederacy of Independent Systems are locked in a jumbled brawl of lumbering capital ships and swift starfighters, exchanging fire high in the Coruscant atmosphere.
November 6th, 2012: Americas new Independence Day.