All the old brackets are still there, btw.

The first one was 16 posters, then probably 32, then the official one, which had 120something.

http://www.bracketgeek.com/pfaposters
http://www.bracketgeek.com/12345
http://www.bracketgeek.com/123456


also, here's a fun, topical one: http://bracketgeek.com/geezerandthewheezer