The Mish Mish has landed! According to several SPN fantwitters, he's the real thing. I'm a bit skeptic of celebs on Twitter, so I guess we'll have to wait and see, but I'm following him in the mean time :)
"Industry sources in Vancouver indicatES that while the official announcement has not yet been made,behind-the-scenes it’s a done-deal.Today we’ve been informed that Supernatural,has been confirmed with another season,in this case its sixth."