New Graphics engine built for the game instead of using FFXIII's

New server to help alleviate the client-server lag

Regional servers to further help with the above.

All new story in a post End of an Era world

All new maps (changed and partitioned into smaller, more diverse maps)

Battle system has been sped up and revamp completely.

PVP will be added.

Player housing will be added.

Addition of free companies (player ran companies more like traditional guilds from other MMOs).

F.A.T.E (full active time battle) which as stated above is just like the dynamic quests in GW2.

Duty Finder which is just a cross-server LFG matching system.

Customizable UI

PS3 support (soon PS4)

Voiced main story missions.

More character creation options.

And much much MUCH more. >.>;