Buckle up and prepare to grab hold of something solid when Halo: Reach launches exclusively on Xbox360 and the world as you know it rocks off its axis... What are you doing on September 14. Whatever it is, cancel it, and clear a bit of space in your social schedule for the arrival of Halo: Reach. Actually, make that that a lot of space. You’re definitely going to need it, as you’ll know ... more.