If you do end up trying them one day, go to the original on Sheridan and millersport. The others are very inconsistent.
They are a little different from most places with the sauce. If you order hot expect a bowl of sauce. Med, med-hot has a reasonable amount of sauce.
A lot of people say they don't like duffs just because everyone likes them. I've given wings to people that hate duffs and told them they were from somewhere else and they would say it's one of the best they've had. Once I tell them it's from duffs the excuses fly.