I highly doubt it will even sniff VI greatness in story.
I have little faith in Square these days when it comes to RPG's in general and a lot about this game has red flags to me. I'm willing to give it a shot. I just don't have high hopes. It will sell the best and look the best but will it be the best of the other big world JRPGs and my bet is no. Those other guys are former Square and made some of the best games in Squares prime.
Still give this a shot. They also made bold claims before XIII. That ended poorly with me.