I would take Ancelotti over him anyway. I was keen on Mourinho last summer, but not anymore, I really don't want defence football for the whole season.
I hope he wouldn't do that. He didn't at Real Madrid, in the 3 seasons he was there they scored 326 goals and conceded 107 (in the league alone). So he has it in him to play attacking football, he just chooses to play defensive football at Chelsea. I assume due to the lack of a fully functioning striker? Who knows.