Yo! That's not fan fiction rendering, that's straight from Microsoft: An honest to God QWERTY that slaps underneath your Xbox controller. Why do you need that?
Well, you might have heard some rumors about the Xbox Spring Update over the weekend. Those were true. So, the QWERTY isn't coming 'til Summer, but it'll make text input, and that Live messenger chat a lot more bearable than it would have been using just the onscreen keyboard.