Here is how I see it.
Lance Anderson: His success with defense and recruiting gives him the highest ceiling. But while Stanford's academic standards are a recruiting challenge, it is nothing like BYU's, which he has no experience with. It could go wonderfully right, or pretty wrong. Plus he does not have HC experience.
KWhitt: Not as high of ceiling as we pretty much know what we would be getting. Could be sticky for alumni and fans. Seems really unlikely.
Sitake: Not as proven as a coordinator or recruiter as Anderson, which lowers his ceiling. He is a BYU guy, which would help, and Polynesian which could help with that recruiting, especially with Anae leaving.
Ken: Proven as a head coach. Deals with tough recruiting situation. Knows how to live in a bright LDS spotlight. Mission President Head Coach. Polynesian which could help with that recruiting, especially with Anae leaving. Unlikely the program sees a drop off or major embarrassment.
Anderson is a promising candidate, but considering who the decision makers are, my bet is Coach Ken. I doubt we would see the triple option or a drop off in wins, and most important to the decision makers, I doubt we see anything to embarrass the school or church.