First off, let me say that this was a wonderful post, especially since I have been very much in a vid-place lately (am downloading from AMV as I type!). I look forward to checking out some of your examples that I'm unfamiliar with.

Second:

There's a difference between Ulysses and Harry Potter (yes, I know that there are several differences, actually - like, I really don't think Leopold Bloom casts expelliarmus even once)

Crying. Laughing.

I woke up my husband and just had to hand-wave helplessly when asked for explanation.