I believe that maintenaince of the MySQL website is not really high-standard at this time. There are several outdated links on the developer page. For instance it links to 5.04 though 5.06 has been out for a couple of days.
There is a link to get it here (windows binary – full version with installer):
http://dev.mysql.com/get/Downloads/MySQL-5…/mirrors/mysql/
(SUN server in Denmark that is very fast and has very fast internet connection).