If you haven't written the president of GAMA (email@example.com) to ask him to make this charade unnecessary, please do so.
Vote for one in each category. Yes, one category has only one entry in it. That will be an easy decision. The only one.
Game Aid or Accessory
Miniature Game: Science-Fiction/Fantasy
Periodical, Game-Related: Professional
Vanguard Award (defined as "of a unique nature or groundbreaking")
Graphic Design: Roleplaying Game, Adventure, or Supplement