Vritra: Haha, sorry about the shadows thing, I wasn't thinking about lighting, I was distinguishing the closest face from the others because seeing empty cubes was screwing with my head. I'll be sure to do it properly next time. Thanks!
At the four hour mark, probably got at least two to go. I'm doing at least an hour a day on this. The nose is frustrating as heck, but I think I'm getting it down.