I just read on the Gluten-Free Philly blog that Ian's is launching gluten-free onion rings, and they will be available at Whole Foods, starting in January! They are also free of casein, eggs, soy, and nuts.
As far as I am aware, these are the first gluten-free onion rings to be sold in stores. The only thing that could make me more excited right now would be frozen gluten-free egg rolls. Perhaps Ian's will consider making egg rolls too!