Player facial expressions and other animations

Originally, this was going to be a suggestion of a specific interface for facial animations, but I realized that the actual goal is to gain some form of animation for the player. Ideally, some way to change their expressions without a total skin change.

Would you agree that animations and more specifically, facial animations, would be a great thing to have?

(Just to put it in here, my original idea was a multi-block style interface for a range of expressions, ideally easily customized,...

Player facial expressions and other animations