Xbox 720, Xbox Loop -- whatever Microsoft ends up calling it, that hot rod of a console looks to be on deck for a late fall 2013 release. According to IGN's sources, this successor to the Redmond gaming throne is purported to pack a GPU based on AMD's 6000 series of chips and will boast silicon circuitry that catapults its performance past Nintendo's upcoming Wii U by 20 percent. If you're looking for a more apples to green X's comparison, this next-gen console's graphical capabilities are also reportedly six times greater than its 360 progenitor. While MS