Newegg via eBay offers the Motorola SURFboard 600 Series DOCSIS 3.0 Broadband Cable Modem, model no. SB6183, for $89.99 with free shipping. That's $5 below our January mention and the lowest total price we've seen. (It's the best deal today by $40.) It features download speeds of more than 600Mbps and upload speeds of more than 100Mbps. Note that this modem may not be compatible with all service providers.