I was a big Mir fan for awhile, especially after he came back from the devestating motorcycle accident and breaking his leg, which would have put any normal man permanently out of commission.
He doesn't sugar coat anything and just says it how it is... the problem is sometimes he takes it a bit far, and does come off as a dick sometimes. He's still a great fighter, and a Top 5 Heavyweight, imo.. he has just lost to two other Top 5 Heavyweights is all.
I think Mir would beat anyone else in the UFC HW division.. outside of Lesnar and Carwin.