Once upon a time, the Xbox 360 dashboard looked like the picture above -- then, Microsoft blasted it with yearly updates to transform it into the warm, welcoming interface we've come to know and love. If you're already aware of that fact, then you may also know that a select group of lucky gamers typically gets to test out the latest revision months ahead of their peers, and today Microsoft's holding sign-ups for a new version that will include "an updated Xbox 360 disc format," whatever that might
