Posting this for a brag. My first chapter's done at 4524 words, a bit longer than my planned 4k chapters. "And change" will help build up "Virtual Days" in case I slow down.
And also because it's a very cool continuing-update meter! They've got two versions now. You can copy and paste the fixed-number one so that your progress on particular days is recorded, or use the easy old one that whatever you post on the site will update every instance of it. Fits in sig lines, on LJ entries, on webpages, anywhere you want it. And shows it proportional to Nanowrimo as a whole with plenty of space for the dial to zoom over if you're doing a bigger book!
Enjoy. Just click on the dial to get to their page and sign up, or renew your account. :)