Newegg offers the TP-Link AV600 Gigabit Powerline Adapter Kit, model no. TL-PA6010KIT, for $73.99. Coupon code "EMCPBPE52" cuts it to $59.99. With free shipping, that's the lowest total price we could find by $13. These adapters allow you to create a network using your home's existing electrical wiring and feature speeds up to 600MB/s. Deal ends August 11.