Right now, all news we have about the PS4 is rumor, speculation, fannish hope, and a leaked photo of a controller that may or may not be a prototype.
FORBES: Sony PS3 Video Suggests Backward Compatibility of the PS4
2.
She smiled warmly as she slung several badges of different colors around my neck and showed me the various areas where the Fannish (this, I learned, was what the scholarly fans called themselves a distinction from mere fans) congregated between lectures and panels.