Turn any electrical outlet into a Home Network connection and share a Broadband Internet connection, files and printers with PCs in different rooms without running any new cabling.
Remotely connect popular gaming consoles to a broadband Internet connection, or to other consoles in the same or other rooms with a high-speed interference-free connection.
Powerline technology is a tried and tested, mature technology that is a great alternative to wireless networking when it just doesn't cut.
Aria's Powerline solution is currently the cheapest on the market and while there are faster versions available, this one should be more than sufficient for every day use as long as you don't intend to watch multiple HD streams at the same time.
Grab it while you can - one at a time though - from online store Aria for £18.74 + delivery.