I prefer Naruto Shippuuden, but if BeyBlade G-Revolution would be on the list, I would have chosen that. The old series of BeyBlade remembers me of FoxKids and just my childhood, and Pokémon also, but now it's just crappy :/.
Probably would have to be Kenichi: The Mightiest Disciple, too bad it's only a 24 ep. anime :X, but it had the greatest action out of any anime I've ever watched, although I'm considering re watching Soul Eater.