The fact that Ballmer is talking Windows 7 makes the whole idea doomed to fail.<p>Why not Windows Mobile 7 (or whatever they're calling it these days)?<p>I have never been a fan of Windows Mobile-- each WM phone I had prior to the iPhone, I wanted to smash into the ground.<p>Windows Mobile 7, however, actually looks pretty nice, and it seems like a fresh UI (even though it is Zune-like). It's not my taste in design, but it seems much more well suited to a slate interface than Windows 7.