For its newsletter subscribers only, newegg offers the ZyXEL Powerline AV 4-Port Gigabit Ethernet Switch bundled with a ZyXEL Powerline AV Gigabit Adapter, model no. PLA4225KIT, for $137.99. Coupon code "EMCXVXM66" drops it to $79.99. With free shipping, that's $10 under our October mention and the lowest total price we've seen. (It's a current price low by $23.) This adapter plugs into a wall power outlet to expand your home network without having to run Ethernet cables through your house. It supports up to 500Mbps data transfer rates.