Newegg via eBay offers the Motorola SURFboard DOCSIS 3.0 802.11n Wireless Cable Modem, model no. SBG6580, for $99.99 with free shipping. That's $10 below our mention from last summer and the lowest total price we could find by $23. The modem acts as an 802.11n access point, features four Ethernet ports, and support for IPv4 and IPv6 and enhanced network management. It may not be compatible with all service providers.