Newegg offers the Linksys Powerline AV 1-Port Network Adapter Kit, model no. PLEK400-NP, for $59.99. Coupon code "EMCANKN35" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $24. These adapters plug into a wall power outlet to expand your home network without having to run Ethernet cables through your house, and feature a data transfer rate of up to 200Mbps. Deal ends February 18.