I have a slightly used Reptibator to get rid of. I'm sure some crafty individual out there could turn this into a poultry incubator. I used it to incubate and hatch Tarantula eggs. It holds temperature beautifully. See the link below for info on the incubator:
http://www.zoomed.com/db/products/EntryDetail.php?EntryID=315&DatabaseID=2&SearchID=1
http://www.zoomed.com/db/products/EntryDetail.php?EntryID=315&DatabaseID=2&SearchID=1