Final Fantasy XIII-2 won’t be releasing until the end of January, however several retailers are already announcing their incentives for preordering this game.
GameStop: an in-game costume for Serah
Amazon: the character Omega, whom you must battle in the coliseum before acquiring.
Best Buy: a collectable hardcover book that ties FFXIII and FFXIII-2 together.
These bonuses are only available in North America.