Sony should announce the PlayStation 4 in less than 48 hours, at which time all of this might just become official.
The latest round of information can be found at the Wall Street Journal , where they talk about the various features we'll find in the new PlayStation.
This includes Gaikai's cloud streaming service; Sony purchased Gaikai in July of last year for $380 million, and it seems this will allow PS3 games to be played on the PS4. This would obviously make a "broader array of titles available at the outset," according to sources. The PS4 is also expected to play new games stored on optical discs. In addition, the new machine will be more in tune with the various social services, such as allowing direct video upload to YouTube, which we have heard about before.
"The new PlayStation also will allow players to share achievements on social networks through smoother links to Facebook or Twitter, while also enabling aspects such as sharing footage of game play online through YouTube, people familiar with Sony’s plans said. Sony’s new console may also allow users to compete against others using different hardware, such as smartphones and other portable devices, those people said."
On the flip side, WSJ says Microsoft is taking a slightly different route. Rather than putting an emphasis on cloud gaming, the new Xbox will interact with mobile devices like Apple's iPad, and they're also planning to create new interactive TV content that will be played on the console. …see, me, I just care about the games , but whatever.