fishmanlee said:
Erebor in glory vs. Moria in Decline....
Yes, that could be a point about how well the stances look, but i don't think the scale and amount of rooms could be justified by it. Even goblin town looks bigger than Moria from FOTR.
That said, the most outstanding case would be Dale looking as big as Minas Tirith. Speaking of which, the architecture and materials used in Dale look more mediterranean, and more southern than those from the south of middle earth.