Xbox 360 backwards compatibility. A new $150 "Elite" controller. A mind-blowing Minecraft for HoloLens demo. Fallout 4, Halo 5, Tomb Raider, Gears of War and even more Gears of War. Microsoft had a lot to show off at its E3 2015 event, so let our team on the ground recap what we've seen and offer some initial thoughts on it before we move on with today's other big events.