There was just a discussion on this very topic. Look here:
http://www.fightingarts.com/ubbthreads/showflat.php/Cat/0/Number/15852357/an/0/page/1#15852357Personally, I'm not a fan of the JKA, as you will see in these posts. I adhere to Funakoshi's methods, not the JKA's. Many many many things were changed for self aggrandizement and sport, and a very few decent evolutionary changes were made. For example, one should not exceed the rank achieved by the founder of the art out of due respect,
giri even. Funakoshi was 5th dan, so we adhere to 5th dan being the top rank in shotokan. In their egotism, JKA men have proclaimed themselves 6th dan and up...