Wow, quite a few new replies here since last time I looked. Thanks for all the input, it really helps me to get an idea of how people will react to the mod.
The only issue I can see with restoring HK is that I don't believe his KotOR texture is still in the game files and as of right now, I seriously doubt my Photoshop skills would be up to reskinning him to look as he used to. :/
Lip syncing is about the only thing stopping the release now. Everything else is worked out and bug free.