Amazon has the Actiontec Powerline 500Mbps Network Adapter Kit, model no. PWR511K01, for $44.50 (59.99 – 15.49 instant savings) with Free Shipping for a limited time.

The 500 Mbps Powerline Network Adapter Kit uses home electrical lines to create a 500 Mbps network throughout your home. Perfect for high-bandwidth applications like HD video and audio streaming, you can gain access to your high-speed Internet, computers, gaming consoles, high-definition televisions, and DVRs without installing new cabling or dealing with wireless networking headaches. The Kit includes push-button security, and is easy to set up. Expansion is a breeze, as well.