Share 'Probat L5...Any Opinions?'

I'm looking at a Probat L5 roaster and I wonder if anyone has any input as to what I should ask when I talk to the vendors. They sound to be in similar condition although one is a mid 80's model and the other a late 90's. I would appreciate your help here as I'd like to move ahead on the roasting program at my little shop and this is the next step... It'll be used in-store for retail accounts and…