Read through some of the past posts there has been a lot of discussion on this very topic . I had the same questions and this list was great help . I am now the proud owner of a Axeman anderson 130 . I guess a lot depends on what you resourses and rebuilding skills are if you want old or new . Most boilers made today are really good .
Oh yea ! If your looking for a used boiler dont count on Matthaus to help you find one ,he gets the real great deals for himself .
. A little inside humor . Honestly he would be a good source .
But seriously you have come to the right place .Welcome to coal burning . Dave