Tenjou Tenge, Grappler Baki (TV) Recommendations
These are both martial arts shonen anime. They both follow the top level of martial artists that far surpasses your average professional fighters, the strongest in the world. They both have good animation, great art styles and character designs.
Both series are basically intense martial arts series that are a knock down, drag out brawl while also having a good storyline to go along.