one of the better and more intresting intros that I have ever seen is the opening to the anime Tenjho Tenge. I'm not shure why but it really gets my attention. That may be because of how different it is. The characters jumping out of their manga frames and then the dancing that they do is very alternative compared to what you usually see. The show itself was a little lacking as it seems that the manga wasn't far enough along since the show just kinda had no ennding more than it just stoped. Outside of that the show wasn't that bad.
Tenjho Tenge Opening