I'm sort of middle-mired myself, but then my characters pull me in a new direction. The protag and her mentor are about to have a face-off that I thought was going to happen much later in the story, but they're already getting on each other's nerves. Just as well - they were both becoming too settled in their routines.
I'm still on target with the word count:
I really think it helps that the rest of my life is kind of out of control and this is a major outlet for me right now.