[cpenner461]

Wow that seems like a very long time (especially on the cooling side). Using my Turbo Crazy setup (see other comment here), I hit second crack in about 10m (which I'd like to get pushed out to about 12m I think, but the temp control on my convection oven is not very precise). For cooling I dump the beans into a 2 sided perforated oven pan (I can't find an exact link, but imagine 2 of these that attach together: http://www.amazon.com/dp/B002KE5OLY/) and shake it gently over a fan, they're cool in about 2-3 min. I figure on about 15m per half pound of coffee.

FWIW I've never had chaff catch on fire, and it seems to me that my setup is probably cranking a hotter/more direct heat than an oven would.

But yes - roasting in the cold stinks - and yet I still do it as well. :) On the plus side, that cooling time drops to a min or so when it's 30F!