For a truly simple way to bring the Internet to any room in your home, look no further than NETGEAR's Wall-Plugged Ethernet Bridge. It plugs into an electrical outlet and uses your existing electrical wiring to give your entire household access to your Cable/DSL connection. With no expensive new wiring or cabling to install, your family can surf the Web, participate in online gaming, send and receive e-mail, and share files and printers, all from different rooms at the same time. Uncomplicated and very quick to install, it plugs right into a wall outlet, reducing clutter and saving valuable desk space. Designed for ease of use, it has new, easy-to-read icon LEDs, and protects your network communications from eavesdroppers and hackers, while not increasing your electricity bill.
Netgear Powerline XE102 is a device that will allow you to bring internet where you want inside your house, you need only a ethernet router and a socket, you simply have to connect the xe102 to a socket near the router and the other on another socket where you want inside your house, there is no need to use any driver and will work out of the box with xp or linux or probably whatever o.s. you use.
This model has a power of 14 megabit and use almost no current to work, it has however some drawbacks, it is not exactly lag free and sometimes will take his time to find the connection to the net in the middle of the use, it's very useful if you need to use a pc inside the house and a wireless device for some reason does not work or you don't want to use wireless but is probably less reliable than a simple cable.