For the past few years E3 has been a tale of two guitar games. In a lot of ways it still is, with the Guitar Hero and Rock Band clans still battling it out for plastic instrument supremacy, but this year two turntable games are also vying for your attention. DJ Hero has far more brand recognition on the box, but Scratch: the Ultimate DJ has the better hardware, and we got our hands on it.Gallery: Scratch: The Ultimate DJ