Did some Kung Fu (Wun Hop Kuen Do).
but what do you mean by best? beating up some asses? best for your body and soul? best style?
example: Wing Tsun is a very effective style of fighting but it looks like crap to me and not as it is something special.
I like Kung Fu most, because you can beat up asses, good cardio and speedtraining, you lern grapples, punches and kicks, you lern offensive and defensve styles and it looks very beautiful. and remember, Kung Fu isnt just fighting.. its a skill you lern by effort.. transferable to any activity