Heh...I'd kind of slacked off on this thread. Oh well.
Anyway, we ended up with 912,205 posts for 2010. We're also trending downward this year as well, as shown in the current chart:
Interestingly, we have a higher daily active users average this year than we ever have. That may be a seasonality thing (summer months are slow), but it could also mean that we've got a lot of lurkers these days.
Anyway, that's what I got.