well, I've watched episode 1 now, and i have 2 bad things to say about the anime.
1. The OP, really ain't conveying the feeling of the story, it needs much more 'beat'.
2. Hiruma's voice, again, horrible. lower it an octobe or two and then we would have been talking serious...
other than those two, the anime followes the manga quite well, and I'm expecting it to be a good ongoing series...
oh, and the 'huh huhh huuuhhh?' brothers are great,