1. In the chronicle interlude is the most important form of balance. Better to leave without frills what already works properly. One change is the transfer of items by a dwarf. Back to previous chronicles always go out for good. The most important is to maintain a large number of players.
2. Chronicle This is my favorite due to the introduction of weapons of shade and improvements related to the stone age. What really accelerates training. Playing time ... without end until there is a large online.
3. No, I leave the professionalism of GM