GameZone's Matt Liebl writes: "Sony has finally announced the PlayStation 4, officially kicking off the next-gen console war (sorry Nintendo, you're not invited). With Sony confirming a holiday 2013 release for the PS4, it's assumed Microsoft's next-gen console will launch somewhere around the same time. Sony was the first to show their cards (even though they didn't reveal what the actual console looks like). It's now up to Microsoft to respond. But how can Microsoft effectively launch a counter-attack with the next Xbox?"