Turtle Beach's PS3-oriented PX5 performed great in our recent review, and just after we've arrived at E3 the company has announced another new release for the show: the XP500 for the Xbox 360. It's essentially a PX5, featuring the same design and programmable Dolby virtual 7.1 goodness, but with a Microsoft loving green trim and a rechargeable Xbox 360 Bluetooth Chat Adapter -- the latter plugs into your controller for some wirel