Walt is the protagonist and Hank is the antagonist. Hank should be the one who takes Walt down. What Jesse is, is the antivillain to Walt's antihero. I think what would be most esthetically pleasing is to contrast Walt's failure to redeem himself to Jesse's success. (This does not mean that Jesse gets away, either alive or dead. Really, Jesse simply confessing would be richly satsifying, not least as a sharp contrast to Walt's endless rationalizations.) Hank's job is gone, no matter what. As written, he will do it anyhow. Walt's attempt to protect someone still sounds like a redemption motif tacked on to satisfy the love for the vicarious badass to win. Skylar showing the money to Walt was showing her finally trying to deal with the situation. Her supposed plan of waiting was one way of course, but they showed her not waiting, but attempting repeatedly to torment Walt. Wanting to is perfectly natural but her doing so when she specifically said she would do something else made her look stupid, even kind of bitchy.