I have almost the whole set.
As for this doll... stop motion gang bang, here I come.
Do they jizz and everything? I've never seen them. If not, you could just use your jizz, and creative camera angles.
No, if these are the same ones Mad Dog is talking about, they don't really do anything. There are no points of articulation, however they do each come with a slutty outfit which is removable. I keep mine naked.