While Burst Limit isn't as big as the Budokai or Budokai Tenkaichi series as far as number of characters, locations and customizations, what it does have is a lot of polish and strong core gameplay.
Visually speaking, each of the 20+ characters are cel-shaded and highly detailed. Not only was I impressed by the game's ability to convey these characters in high-def goodness, but the fact that most (if not all) in-fight special events were done in-game instead of pre-fab cutscenes. Where past games would cut away to see the character transform or perform start an ultimate attack, Burst Limit simply moves in so you can have a closer look.
As I mentioned above, the sound is also pretty solid, but then again that isn't something we've typically had to worry about in DBZ fighting games in the past. All of the voice actors seem to have reprised their roles and the music sounds very Dragon Ball Zish. But what really stood out is the interaction between the characters. Since you can choose a partner character to help you in specific parts of the battle, these characters will come out and often times exchange words with your fighter. When those characters have a special relationship, then the comments are very specific. Raditz might taunt Goku as a way to get him fired up, or some similar, but very specific exchange. This is just one of the bits of polish that makes the game shine.