One of the best animes for getting new people into anime. It's overly stylized visual aspect tends to capture the attention of people normally pushed away from anime, the Samul l Jackson english dub also gives newbies a familiar voice to grab onto and feel more comfortable, and finally the western influenced music (mostly rap, i think da rizza or however you spell that, did the soundtrack) connects everything while maintaining solid background noise.
The story is fairly weak, but the animation and sound/music are enough to make up for it. Characters aren't horrible and ninja ninja is memorable (great name). Overall, it is not something to pass up.