Newegg offers the D-Link PowerLine AV2 600 Gigabit Ethernet Starter Kit, model no. DHP-601AV, for $59.99. Coupon code "EMCEFGG49" cuts it to $39.99. With free shipping, that's the lowest total price we could find by $20. It includes two adapters and delivers speeds up to 1Gbps. Deal ends January 28.