A combination of smart sockets and remote control enables you to cut power to any appliance in standby mode. Control electrical appliances in your home or office at the simple touch of a button.
Next cheapest are all around £24. This is a great price for this kit, it even has the ability to be controlled over the internet with some added hardware.
They do a great wall mounted switch (£9.99) which also controls the remote sockets which is a great idea if you keep loosing the remote. http://www.maplin.co.uk/Module.aspx?ModuleNo=217579