Xbox is on a tear right now, with a lot of positive momentum. But one question I wanted to ask above all others: are they ACTUALLY in it for the long haul? The Xbox Showcase has wrapped up, and if it feels like the start of a new era ... that's because it well and truly is. It's the first Xbox Showcase with the full and shiny new leadership layer, including Matt Ball on strategy, Matt Booty on content, ... [7283 chars]