Microsoft isn't acknowledging the development, or even the existence, of the Xbox 360's successor (codenamed "Durango"), but that isn't stopping potential details from leaking out of Redmond. The latest report comes via console overview documents (known as "white papers") provided to Kotaku by the same source who provided information on the next PlayStation (codenamed "Orbis"), and it spells out some things we've yet to hear. Namely, the console will ship