I would put the odds of survival of a 2 frame colony as very low with a fair amount of cold weather ahead.  The amount of brood that they can keep warm is so small as to not allow much increase.  Is there any way to get another frame or two of bees shook in?  Or combine with another 2 framer?
Brion

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html