Buy.com offers the ZyXEL Mini Powerline AV 500Mbps Ethernet Adapter 2-Pack, model no. PLA4201KIT, for $69.99 with free shipping. That's the lowest total price we could find for this kit by $24. (For further comparison, we saw a similar 500Mbps kit for $10 less in April.) These compact adapters use your existing electrical outlets to create a secure high speed building-wide network. Feature include a fast Ethernet port and support up to 500Mbps data transfer rates.