Newegg offers the TP-LINK AV Nano Powerline Adapter Starter Kit, model no. TL-PA2010KIT, for $29.99. Coupon code "EMCAPPK59" cuts it to $19.99. With free shipping, that's $1 under our mention from last winter and the lowest total price we've seen. (It's a current low by $8.) These adapters allow you to create a network using your home's existing electrical wiring and feature speeds of up to 200Mbps. Deal ends April 6.