Rendering technology like that always blows me away. I had seen that clip a while ago but everytime I see it, it makes my brain hurt. Maxwell seems to be the fancy new renderer everyone is talking about.
http://www.maxwellrender.com/

Yeah, it's very rewatchable.

I saw some sunsets in the San Juans that weren't half as realistic.

You commented!!

Ah, well, I should've mentioned that the sunsets were reflecting on -water- that wasn't half as realistic. I'm out of practice with this language stuff. Or I was using that literary device where you say something other than what you mean. Bah, I'll go back to lurking.