Question's in the title. Sorry if it's been covered before, but it seems playing on adept after about level 20 means that every man and his dog drops some ridiculous super-weapon when I kill them. I'm going to start a new character on expert, but it'll be slightly annoying if the only thing that changes is health and damage. I'm pretty sure that the lower the difficulty, the more powerful weapons were dropped on Oblivion and the Fallout games (not sure about Morrowind.)

Anyone know?

As far as I can tell in none of the last three TES games has difficulty affected loot tables at all.

So I very much doubt changing the difficulty will change your loot tables.