Sony: No PS4 for "quite some time"

The PlayStation 3's successor is a very long way off, judging by comments from PlayStation US boss Jack Tretton.

Tretton told Forbes that the company is focussing heavily on the PlayStation 3 and Vita for the time being, and in any case, believes its current tech is still right on the cutting edge.

"PlayStation 3 is really just hitting its stride," he insisted. "And technologically, I don't think it's possible to provide any advancement beyond what we have."

"What we've seen from the competition is trying to add features that already exist in PlayStation 3," he said.

"We invested heavily in that, we rolled a very heavy rock up a steep hill, through the launch period. But now I think that all pays off, and we've got a long run way behind it. So, I wouldn't look for any discussion of a next generation PlayStation for quite some time."

Microsoft is rumoured to be readying a new machine for a 2013 launch, whereas Nintendo has the Wii U lined up for a 2012 release. It seems Tretton wasn't too impressed by the latter's recent E3 reveal.

"I think there's ground to be carved out for everybody. But I didn't see anything about Nintendo's announcement that said 'Oh, we'd better get working on rolling out a new PlayStation here pretty soon.'

"Our attitude is kind of 'welcome to the party.' If you're looking at being a multimedia entertainment device, if you're looking at high def gaming, that was 2006 for us."