IOGEAR Wireless Mini Lap Keyboard w/ Trackball $37 at Newegg

Newegg has the IOGEAR GKM581R Wireless Mini On-Lap Keyboard with Optical Trackball for $45 - $10 rebate [Exp 1/15] + $2 shipping = $37 shipped. Features built in optical trackball, 13 multimedia hotkeys, ergonomic contoured back, and 2.4GHz wireless technology. Mac Mall also has it for the same price.