What will always bother me most about the dynamics of the trio in the movies. There were some things Harry and Hermione simply did not (and could not) know, things only Ron could divulge. Taking that away from him, no matter the reason, ruined the balance of their friendship.
I started reading the Harry Potter books when I was 7 and to me the books became my most treasured items. The films of course were brilliant but the books were where I could let my own imagination run wild, especially at times when my parents and grand-parents fought. And I have the happiest of memories sitting beside the fire across my from granny.