Is there any confirmation of this?
There was an embargo on information till today and Kotaku has posted what was showed at the Namco Bandai conference. They don't mention anything about Tekken 6, perhaps they can't talk about it, but I suppose we'll have more info once TGS starts.
http://kotaku.com/5059865/faux-liveblogging-namco-bandais-pre+tgs-presser