I personally always liked the ranking system I saw a few years ago by a guy out of California. He basically said there were alot of really good teams but ranked them by A+,A,B+,B and I think C (doing this from memoery so someone else may know it better) He said most tournaments the A+ would do very well and A teams could win as well but maybe needed some breaks to go their way. The B+ and B teams were good enough to play with and beat the A+ and A teams but proably not good enough to win a tournament filled with those teams. It was an interesting read for sure.