Love, love, love, love this game. If no other game would have made buying a 3DS worth it, Bravely Default would have. It's a stunning game and I would say it's the best game the 3DS has to offer. Of course I'm heavily biased towards JRPGs, since they are pretty much all I play.
If you call yourself a RPG fan and do not own this game yet, you need to get it as soon as possible.