All mouths of the gestalt speak as one, no matter if the mouth isn’t near the original conversation. It cannot hold separate conversations as it
This is latest news from people who have seen the 4e rule books, collated on an Enworld discussion. Other, possibly more important information includes: 2-weapon fighting is a feat, but just gives a damage bonus, not an extra attack. Gnomes can *turn invis* once per encounter after they’ve taken dmg.