Finished KotOR2 with the restoration mod.
Overall, there isn't that much new stuff, but there is a tiny bit after the last boss now.
HK-47 is the one with the most restored content and it really makes him more active in the story as opposed to before where he did nothing.
There's also some closure on the other characters now; which is pretty nice.
And like always... KotOR2 is a game begging to broken