Regards Beardie collies, dont know any working dogs, but plenty of good working border'collies.
As you say if its a Beardie x grey you want, then you know where to go. I would not go there myself,
my 1x collie grey was bred from a good hard farm border collie to a 1000yds grey bitch. My mate
bred him, he is had 40 rabbits so far not bad for a 13month old pup. As i said plenty of
good working borders, but not beardie's