First, a close-up of the bannister at the top of the stairs. I'm so thrilled at how that bottom board cleaned up.
Next, the living room, taken at some point last Saturday:
From last Sunday, an action shot of my mom working on the middle window from the above picture:
And I have to include a picture to give some idea of the dust:
Although the last picture may make this hard to believe, we do attempt to control the dust. We close or block every door to whatever room we are working in and then rig the set-up pictured below in a window, attempting to blow the dust out of the room. This does help some (although obviously not enough).
Enough about sanding. Moving to the back bedroom, below is a final progression picture of the studs from the south knee-wall. These pictures show the same stud in about November at left, December at center, and last weekend at right.