XMD via Buy.com offers the Monster PowerNet 100 Power Line Network Adapter Pack
, model no. DXPLN100-2, for $44.99
with free shipping
. That's $5 under last winter's mention and the lowest total price we could find by $48, outside the mention below. These adapters plug into wall power outlets to expand your home network without running Ethernet cables through the walls. It works at up to 200Mbps.
A close price is Puget Sound Depot via Amazon's $42.49 with $5.49 for shipping.