The thing that sucks about building a house in December is that the morning frost doesn't melt until 9 or 10, and it gets dark at five. And the framers are scared off by forecasts of rain.
When they do show up, they do good work.
As you can see in the bottom picture, one of the tall walls at the stair has been raised. The top of wall is about 18.5 feet above the first floor, and the roof will be about 10 feet higher!!!
Last night I met up with a friend of mine who does decorative concrete work. He's going to give me some forms so I can start experimenting with finishes for my countertops.