Something that is discussed with some frequency around here is how the quickly an MMO reverts to its default state, ready for the next bus-full of level appropriate tourists to do whatever that zone desperately requires. Whenever something happens outside this cycle - like WoW's phasing (which gets fairly elaborate by the time Cataclysm rolls around) or a dynamic party matching up against a tough public quest in WAR - it's exhilarating. And then you go collect your hooves.
