Unfortunately I won't be participating this year, but I really enjoyed last year's one. I managed about 12k words in the end and absolutely loved the camaraderie at the write-ins. For anyone thinking of participating, I'd definitely recommend giving it a go. You might end up surprising yourself.
"I am only one, but I am one. I can't do everything, but I can do something. And I will not let what I cannot do interfere with what I can do."
- Edward Everett Hale