I've been having a stint of reverse-MHS. That is, recently the events of my weekly game have made it that the vast majority of enemies the characters have been facing are humans/oids with NPC and PC levels. Because of this I am afraid to give the npcs too much stuff and boost the power level and run the risk of 'over' equiping the characters and thus the characters have been in a 'loot draught'.
The moral of this story and what I learned from it is that monsters are really important to D&D and fantasy worlds.