It is confirmed on the Manchester City website and what a nice looking website it is, so that is good enough for me as I'm sure out club will confirm it very soon.
Dunne arrives to shore up our central defence and as I hinted yesterday, Martin O'Neill may very well see him as a replacement to Martin Laursen, he is certainly the type of player that fits the bill.
I've got a feeling however that he will prove to be a very solid defender and it can ultimately only be good for the club, having so much competition for places and good for the younger players to learn from someone with so much experience.
He will likely make his debut against Birmingham City and he'll likely meet his old club in October, when we have a certain ex-player comind back to Villa Park. Should make for an interesting couple of games for him.