According to VGLeaks.
Site VGLeaks has posted the supposed roadmap for Sony's upcoming console, hinting a possible 2013 release.
Website VGLeaks, has posted a roadmap for Sony's upcoming PlayStation 4 'ORBIS' console, citing the product lifecycle since 2011.
It also suggests a potential 2013 release for the console...
The site has posted some other interesting info in the past, including some about the XBOX 720's 'Durango' Alpha kit and the Wii U's Final specs, which actually match with other recent rumors and leaks floating on the net.
However, and as always, take these with a grain of salt!
NEWS SOURCE #1: Orbis RoadMap (via) VGLeaks
NEWS SOURCE #2: Forum Thread #507910 (via) NeoGAF
Our thanks to 'Gauss' for this news item!