I would never breed from a dog with QA legs
this is from a vet who breeds and works gundogs (Gillian Averis in her book "Veterinary Advice for Gundog Qwners")
"A lot of working dogs have poor elbows which turn out giving them a 'Queen Anne' front. They are more likely to be injured and it requires more energy from the dog in order to move, but most dogs cope with this handicap though they would be faster, and have a longer working life, if their conformation was correct"
A lot regard QA legs as a form of elbow dysplasia, a condition with a strong hereditary component, so I wouldn't ever want to pass it on.
They are more prone to arthritis in those joints as well.
Basically I wouldn't breed from a dog without good conformation