Best Buy has the Refurbished Apple AirPort Extreme Wireless Base Station, model no. MD031LL/A, for $89.99 (179.99 if new) with Free Shipping.

The Apple AirPort Extreme 802.11n Wireless Gigabit Base Station is sleek, easy-to-use, and is equipped with simultaneous dual-band support, making it the perfect wireless access point for home, school, or small business. It offers fast, 802.11n Wi-Fi access for Mac computers, PCs, and Wi-Fi devices such as iPhone, iPod touch, and Apple TV. It features 4 Gigabit ports, a USB port for sharing a printer or hard drive and works on both 802.11g and 802.11n frequencies simultaneously.