Well the devs seem to be split on the instancing thing, some hate it, some love it. Ironically I think the best use of it would be if it were only used in certain cases, like if you set out on a particular quest with an objective, that way you can add puzzles and storyline to go with the quests. All other times things would be in public realm. Of course that\'s just all theory, I\'d imagine that isn\'t the most easy system to actually program into a game.