I read that the enemies and loot in caves and dungeons will stay at the level they were when you first entered them. This makes me want to level up a lot before I start exploring them, so they are not all stuck with bandits and rusty iron gear. Normally, with ES games, people put the main quest off until last and just explore, but knowing about the set levels in caves makes me want to level up a lot before I go exploring too much. What about you.