I've stated plenty of times that Schotty needs improving, but I don't think he should be fired. I've also proclaimed my liking of Kubiak...I even wanted him for HC of this team (see hc threads last year).
All that being said, I'm ecstatic at what has transpired with Rex and our defense, and if we have a chance to land Kubiak for OC, we take it.
Continuity for Sanchez is one thing, but Schotty's going to go soon anyways, whether he's promoted elsewhere or eventually let go. May as well cut bait now and have Sanchez relearn right now instead of in the future. Kubiak will make him a star.