Air Brush Forum

I know this question is a bit outside the usual realm of questions posted to this forum, but I was wondering if any of you know of any good active air brush forums out there focusing primarily on model painting? The ones I have found thus far are more centered on canvas painting, which I have 0 natural aptitude to perform beyond a 5-year-old level. (And even saying that is probably insulting a lot of 5-year-olds.)