Newegg through ebay has the Motorola ARRIS SURFboard SB6141 Cable Modem in white for $54.99 (compare to $69.95 at Amazon) with Free Shipping for a limited time.

The Motorola SB6141 SURFboard DOCSIS 3.0 Cable Modem provides you with an economic option for ultra-broadband services, with eight times the current maximum user data throughput approximating over 300 Mbps in DOCSIS and 400 Mbps in EuroDOCSIS mode. You don’t even need the hybrid fiber coax (HFC) plant upgrade. Maximizing your current Internet setup, the SB6141 can be deployed without service interruption. Backwards-compatible to DOCSIS 1.0, 1.1 and 2.0, the SB6141 also supports both IPv4 and IPv6, Advanced Encryption Services, and all other DOCSIS 3.0 standards. As part of Motorola DOCSIS 3.0 Ultra-Broadband family of products, the SB6141 tuner has flexibility of two individual capture bandwidth groups, each 96 MHZ. These downstream capture windows can be placed independently anywhere within the 108 MHz to 1 GHz spectrum for deployment of new high-value services, such as bandwidth on-demand, commercial services, interactive gaming, and IPTV, to their customers.