Is it stupid to sit in a pretend racing seat and turn a pretend steering wheel to control a pretend car? Yes, of course it is but people spend hundreds of pounds to do it properly. Why? Because it's fun, especially when you're playing a game that's been designed with it in mind, like Gran Turismo 5. But the question is: Do wheels make that much of a difference, or can pads suffice? To find out, GamesRadar asked Codemasters' Paul Jeal, senior producer on F1 2010.