IMO, part of the reason the classes move so slowly is that they are designed so the majority of dogs can participate, especially in the early levels. They bill Nosework as a sport for all dogs, so the training was designed with that in mind.
If you start with a high prey drive dog with strong hunt, the process of imprinting goes exponentially faster. I've had dogs working room searches in 2.5 hours, moving to vehicles, open areas and more complex building searches in under a week.
I plan on teaching Nosework when I get back to the states. I think I would really struggle with the low drive dogs, so I may just work with people that really have some potential. We'll see.
When a dog saves the life of a man, it becomes clear that partnership knows no bounds.
Fama - T.E.D.D. OEF XI-XII (GSD)(RET)
Marshall - T.E.D.D. OEF XII-XIII (Lab)(SF EDD)
Lucian - Med Alert / Mobility SD (Cane Corso)
Pud - the old man (Pit x Lab)