I don't have any particular impression of Tyrone Power, I'm afraid! Looking up his filmography I see that I've watched him in "Zorro" and in "The Black Swan", both of which I enjoyed, but he didn't particularly register with me as an actor.

What I mainly know about him is that he died inconveniently in the middle of shooting "Solomon and Sheba", and that he is allegedly still visible in the long shots in place of the actor who subsequently substituted for him :-P
But I haven't seen the film.