MacMall offers the refurbished IOGEAR Multimedia Wireless Keyboard, model no. GKM681R, for $10.99 plus around $6 for shipping. That's $15 under the best deal we could find for a new one. This 2.4GHz keyboard features an optical trackball, scroll wheel, and 16 multimedia hotkeys. It requires two AAA batteries (included). A 3-year IOGEAR warranty applies.