There was an option you havent listed.

3a.Text & video panel (several "mood" animations per character,
but no actual "TALK" ANIMATION)

I got this from an old game "Vamipres : The Masquerade"
The party "panels" contained an animated image showing the
members mood, and kind of health. Try to you-tube it, its hard to explain.
But if you have pop-up conversation window, with an animated mood-image,
and audio speech playing, you'll be able to get more emotion into the
conversation, with any need for lip-syncing.