I'm not sure If anyone mentioned that yet, as this thread is too huge to read through. But I have a few improvement suggestions, which would really improve the game immersion:
1) More attention to the companions in the cut scenes. There is a scene where my main character weas blown away buy a wind, and others were just staying a few steps behind, staring around.
2) Add interactivity into the cut scenes. if I am travelling with a party I would like to see all of them looking around a crypt or interacting with a main character within a cut scene, dropping a few lines, not just the main character doing everything.
And as we are playing DnD game:
3) Why is character alignment feature completely missing? I really liked having moral/order-related dialogue options depending on character's alignment in Neverwinter Nights games, for ex.