I love Baki, Hajime no Ippo, Samurai Champloo, Berserk, Vagabond... And Airmaster is another lovable anime but you need to understand the layout: Episode 1-8: Mostly silly comedy with some fights. Calling it "stupid" is an understatement, it's downright childish. But fun :) Episode 9-16: More battle focused with character development Episode 17-25: A tournament arc with some of the coolest fights in anime It is similar to GetBackers or Hitman Reborn in that way. If you drop it before episode 5 it is understandable you will give it a bad score. If you can enjoy a show that focuses on the "fun" in fighting and quirky characters then Ihighly recommend it.
It has so much Powaa in the animations that it's a 9/10!