Newegg offers the Home AirPlay Wireless Speaker System, model no. IW2BC, for $49.99 with free shipping. That's $15 below our September mention (per unit) and the lowest total price we've seen for one of these speakers. (It's a current low by $45.) This system allows you to stream music wirelessly from your iOS device via built-in AirPlay support. It also features a USB port and remote control.