Newegg via eBay offers the factory-refurbished Asus 802.11n Wireless 4-Port Gigabit Dual Band Router, model no. RT-N66, for $44.99 with free shipping. That's $45 under the lowest total price we could find for a new unit. It features four Gigabit Ethernet ports, three antennas, and USB. A 90-day Acer warranty applies.