I have just purchased a Zyxel P-335 broadband router from Scan for £17.61 (£25 inc delivery and VAT). Follow this link:
http://www.scan.co.uk/Products/Produ...oductID=731051
It is very easy to setup and make sure you update the device to the latest Firmware for a better user interface. There are heaps of features for the router.
One useful feature of the P-335 is that it has a USB port to act as a print server.