Let me start by saying I've heard from more than a few people that the Rickson system has awarded black belts on things other than 100% merit...that being said: I was reading BJ Penn's bio and it looks like he got his black belt in like 3 years or something???? I imagine that's why he is "The Prodigy". Has anyone heard of a BJJ black belt coming any faster than Penn's?? Also do any of you have opinions on what Gracie system black belt has the most credibility??