I sure hope this is a rumor and nothing more, because if not, consider this the huge, hulking nail in the casket of Sony, because this wouldn't be like shooting yourself in the foot with a revolver, this would be like dropping a nuclear bomb on your foot. I just spent $600 last year for a PS3 that should last me several years down the road...not two or three. If this rumor is true, bye bye Sony.

From the article:

In an interview posted on GamePro last week, former Sony CEO Ken Kutaragi stated that ideas for PlayStations 4, 5, and 6 have already been conceptualized. However, new, yet still unverified sources now claim that his recent retirement has enabled him to streamline plans for a PS4 prototype sooner than anybody thought.

According to a report from Smarthouse, an unnamed Sony insider has claimed that Kutaragi's proposal for the PS4 would involve the same chipset as the PS3, but would include an extensive overhaul to the system software. This would better manage streaming content from a broadband network source, and combined with the console's existing Cell processor, this upgrade would likely supplant the PlayStation as a developer for network-based gaming entertainment in the near future.

Read the full article over at gamepro.com