TigerDirect offers the Actiontec Powerline 500Mbps Network Adapter Kit, model no. PWR511K01, for $39.99. Coupon code "COX90928" cuts it to $33.99. With around $2 for shipping, that's $4 under last month's mention and the lowest total price we've seen for this set. (It's a current price low by $10.) This plug-and-play Ethernet kit uses your existing electrical outlets to create a secure 500Mbps high-speed building-wide network. Deal ends May 18.