Makes sense, the Alienware Backpack will be used in large Arcade spaces where the participants will learn small tactics and movement to defeat the zombies just as the Military (DSTS) uses it for mission rehearsal and squad tactics

no retail til later.

http://www.techradar.com/us/news/computing/pc/alienware-teases-its-virtual-reality-backpack-1323311?utm_content=bufferf8bf9&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer