I will be quick with this...
I loved the game, but I think that the graphics could be better for Febr 2012, I mean, they're good... but could be better something.
The story is simply awesome, and I loved the "time-traveling" idea, it's great, since the world changes in every time.
Serah receives a new "focus", I mean, a new objective for her (it has nothing to do with Fal'Cie, this is just an expression)... Find Lightning. It crushed my heart when she said that for 3years she tried to believe that Lightning was "dead". Well, never mind, the Combat System is much better, giving the player for each roll a passive ability, like in Sentinel you receive a buff of "x"% defense, this is really good before the boss/mob performs a powerful attack/spell.
The new Crystarium system is much simpler, it's kinda hard to understand, but don't worry it's fine.
I don't know what more to say more...
Overall: I recommend this game for FF's series fans, and for those that never played this RPG series. :)