FleshEatingZipper writes: Who called it? We called it. I’ve been asking for Don Mattrick’s head longer than Microsoft’s investors have been asking for Ballmer’s and it looks like now, three weeks after he took the stage in Los Angeles, he’s departing for distant seas. But who is this Mattrick? We’ve talked about him before, but let’s see if we can’t nail down his contributions to gaming down, for better or worse.