A company called Sausage maker has some real good smokers.And if I remember right they will custom build also.They sell all kind of seasonings too make all different kinds of meat.They also have cheese that melts at a higher temp.So use can use it in smoking.Sausage maker .com
We just got one a couple weeks ago. Is store bought (used.) Haven't tried it out yet. Really hoping to get a bear this weekend and then try it out to make some smoked sausage.