I was just about to post about that. Me and my friend can only play once per week. So it took some while for us to realize it. But my friend is actually 10000 XP points ahead of me now! (My friend usually does all the talking and turning in quests, as they host the game).
So something seems definately be bugged about the experience distribution among the group members now. Definately something that needs to be looked into... as once release, some more friends of mine will get it, and we want to do a 4 player round.
