I hope both Korra and Asami turn him down!

Third. And then he grows the frak up. Of course they all need to, and deserve to.

I was ok with Iroh's voice (except for falling out of my chair...). I don't really get what the problem is, except maybe that he should sound a little more different from Zuko. But we haven't had much chance to hear what he says and how he says it, so probably (hopefully?) there will be differences.