If by 'interesting sorts', Taako means the sort of people who smell of peat moss, have very little knowledge of personal hygiene, and an abysmal climate, then yes. They were interesting.

He chuckles at Taako's question, nodding. "Oh yes, elves are certainly known to me, though none with skin quite the tone of yours. Of course, I assume it's a species difference and nothing odd in your nature?"

Though he doesn't seem overly oppressed, so Dorian is going to leave out the bit about the elven enslavement and the part his people still play in it.