I don't know if I would put Norrington in the Locker, even if he stole the heart. The reason for this, I think, is because he's already been suffering for months, and he makes a poor decision based on a lack of information, not because he hates everybody.
I think that he figured the crew of the Dutchman would go after him, take the chest, and leave the others alone. He has no idea about Jack's deal with Davy, or that the Kraken is after him specifically because of said deal. For all James knows, the reason DJ is pissed at Jack is because Jack is going after the heart as well.
I think in the beginning of AWE, James will be trying to ignore what kind of person he's working for, simply because he doesn't want to believe that his actions were wrong.
As for Liz, I don't think I'd put her in the locker either, because she's already suffering. She's suffering from the loss of her friend, from the loss of her fiance, and from a loss of self. She almost can't bear who she has become, and when she finds out there is a way to redeem herself by righting the wrong that she's done, she jumps at it, determined, perhaps, to prove to herself that she's a good person after all.
I think Davy probably deserves the locker, mainly because his job is to take care of those who perish in the seas, and he fails miserably at it because some woman ditched him. He's not remotely repentant, like Norrington seems to be, and I don't think DJ would try to regain his honor like Elizabeth or James.
Will...I don't know. He'll be driven into some pretty dark places in AWE, but again, I think he'll be repentant enough that punishment in the locker would not be appropriate.
However, all the characters are going to suffer for the choices that they make, and for some it will be a huge burden to carry until they find the appropriate time and place to redeem themselves. I'm glad Ted and Terry allow the characters to deal with the unpleasant consequences of their actions, instead of just brushing poor choices under the rug and ignoring them. It makes the characters much more human. 😄