Solid game with a few drawbacks.
The graphics are decent enough, with the world being anime-like and the battle scenes are good enough to recognize what's going on, but it's not the most amazing thing you've ever seen on a DS. Pretty good though.
The sound in battles are well done, except the music itself. The SAME songs over and over in battles and even in the environment when exploring the world. Good thing it's actually not that bad or else I would have had to throw myself out of a window. :)
The online mode is also great with the exception of nagging lag which sometimes impedes the momentum of the battle.
Overall, a good game that's worth checking out, especially to a fan of the series.