They are about £88 at amazon and £105 at play (and out of stock).
The Devolo dLAN 200 AVeasy connects network-enabled devices such as PCs, modems, routers, game consoles and set-top boxes via your household power grid. It complies with the new HomePlug AV standard and supports data speeds of up to 200 Mbps. Its speed opens the door to bandwidth-intensive applications such as Internet television (IP-TV in HD quality), video-on-demand, VoIP telephony and fast Internet access with "Quality of Service" for smooth operation. It achieves a range of 200 meters within a single household grid, giving you the greatest possible flexibility to use your applications throughout the house.
Just plug the dLAN 200 AVeasy adapter into an electrical outlet to turn your power grid into a convenient data network. All you need is two adapters to take advantage of the full range of services. If ever you decide to use a room for a different purpose or rearrange your office no problem. Your network moves with you without the need for laying new cables. Just plug the adapters into different electrical outlets. That's it!
The special feature of the dLAN 200 AVeasy adapter: a touch of a button is all it takes to activate powerful 128-bit AES (Advanced Encryption Standard) encryption for maximum security. No additional software is required. Locking down your network couldn't be easier!
Highlights of the Devolo dLAN 200Mbps AV Starter Kit - HomePlug AV/ Powerline
* Simple plug-and-play networking of a range of devices via the household power grid
* Speeds of up to 200 Mbps, data encryption at the touch of a button
* "Quality of Service" for smooth operation of modern multimedia applications