I worked through the night, editing Chapter 7 and Chapter 8. They're now all done, except I need to write one final scene for Chapter 8. I'll finish that on Saturday without much problem.
My outline got a little tweaking, too, overnight, and it's really solid now for the final chapters. I pretty much know exactly what I want to have happen throughout the remainder of the story, every scene of every chapter, although I'll still "discover" things as I go along, and details can change as convenient.
I still hope to finish Chapter 9 this weekend, after wrapping up Chapter 8 later today. I'm going to get some sleep now, though. I haven't written anything on Chapter 9 yet, so that will be a whole chapter to do, but it's possible if I can keep my focus on writing. I fear other things will interrupt at some point, but for the time being I'm keeing my focus on the writing!