While I am not a trainer, I've been recently flying with new people from both backgrounds. My experience is exactly opposite to what Skipping Classes said - the ex-turboprop guys are normaly very easy to work with and tend to know their stuff well enough immediately after Line Training. they are experienced airline pilot, who just happened to change the type. Cadets on the other hand tend to be a liability rather than asset for months after release. Of course, there are oddballs (like an ex-fastjet guy who's been on the line almost a year and still has no clue, or an ex regional jet guy whom I wouldn't trust an wheelbarrow, let alone an Airbus). All in all however, give me a turboprop/light jet guy over a cadet anytime