Re: FF12
I think Makoeyes pratically have told everything....but I would add things like, FF XII made offline the innovations that FF XI made, the gambit system is something to give more tactic to the game, but if you don't like it, just turn it off and be happy.
About the story, that's the way of Matsuno to tell stories. The focus is not the group of the heroes, but the war itself, and, as Mako said, Vaan and Penelo represents the impact it caused on the normal population. About Basch, Ashe, Fran and Balflear, they support the story, giving the war more details with their personal experiences. In other words, the war is the main character...