I just called LMT and was told that for
Disneyland you still get an e-ticket that you can take right to the turnstiles but that Disneyland will
not give you one of their regular stock tickets. If that is the case, I can see that the LMT ticket might not be upgradable. The not getting a regular ticket at the turnstiles info is different than what I have read here on this thread so maybe something has changed or the LMT CS person I talket to is wrong? I'll try Disneyland and see what kind of answer I'll get.