newegg via eBay offers the ZyXEL PLA407 HomePlug AV Powerline Wall Mount Ethernet Adapter Kit 2-Pack, model no. PLA407KIT, for $59.99 with free shipping. (Buy.com also offers it at that price.) That's the lowest total price we could find by $37, although we saw this 2-pack for $3 less two weeks ago, since expired. These adapters plug into wall power outlets to expand your home network without running Ethernet cables through the walls. It supports up to 64 devices with up to 200Mbps data transfer rates.