Just came across a link to the on homebrewtalk, recipes for the AHA NHC gold medal winners across all categories and sub-categories from 2004 through 2013. Looks like an interesting resource:
http://wiki.homebrewersassociation.org/AHA-National-Homebrew-Competition-Winners-Circle
Updated with 2017 recipes:
http://www.alternativecommutepueblo.com/2011/10/ahanhc-gold-medal-winning-recipes-for.html
Interesting that many of the years didn't have gold medal winners. The standards in the AHA for awarding medals must be pretty high.