Newegg offers the TP-LINK AV Nano Powerline Adapter Starter Kit, model no. TL-PA2010KIT, for $29.99. Coupon code "EMCANNA57" cuts it to $19.99. With 99 cents for shipping, that's the lowest total price we could find by $9, although we saw it for a buck less in December. These adapters allow you to create a network using your home's existing electrical wiring and feature speeds of up to 200Mbps. Deal ends February 26.