I think it definitely depends on the type of collie used. My first lurcher, seventeen years ago, was a first cross beardie/greyhound out of Remus. She was very work orientated but, in contrast to what we were led to believe in the literature of the time, she was a complete tart and definitely not a one-man-dog.
My next was from Hancock's third litter of 3/4 collie 1/4 greyhounds, sired by Richard out of Linnet and was a pleasure to own. I also knew of somebody at the same time who had a dog with the same blood but in the opposite extreme ie Taffy x Sally. This dog was, by all accounts, a