For a 200Mbps adapter this seems to be a very good price. Remember - unless you've already got one you do need to buy at least 2 to make it work.
The PowerLine HomePlug AV Adapters 200Mbps allows your home to be completely networked using your existing plug sockets. Ideal for streaming high definition video content, audio streaming, gaming and Internet connectivity.
Perfect for bandwidth hungry applications like HDTV streaming and gaming
No power leads integrated plug enables you to connect straight into your plug socket
Create a hassle free home network through your plug sockets with no need for additional wiring
Alternative to wireless, no dead spots, no interference, no performance issues
Please note- You will need at least two of these to connect you device.