If the router can't do it itself, then it's not worth getting it. If I have to buy another device then I'd better save that money to buy a broadband router that I can use right out of the box.
I've had bad experiences with low-end routers, (Belkin F5F7230-4, Linksys WRT54GS), sometimes having to reboot the router every couple of hours, so I was looking for a better compromise. I don't need advanced features, just a reliable wireless connection.
Any suggestion for a budget around £50?