I have just posted a couple of form-fillable pdf's to compliment the new Heroes Companion. As with all of these, you need either a full copy of Acrobat, or a free reader such as Foxit that allow forms to be saved/printed.
http://www.arion-games.com/AFF/HoldingsForm.pdf
http://www.arion-games.com/AFF/BattleCard.pdf