Makes sense - I guess what I was wondering was whether one would pick a different type of collie to cross with a whippet than you'd cross with a greyhound?
I see your point you know, the whippet is wiry enough, might you go for one with a bit more bulk about it?
I don't know - I was thinking more about height than bulk. I think if I was going to breed this cross I'd look for fairly tall coursing whippet and a leggy collie. Kind of academic as I'm not going to be breeding any dogs any time soon and its more likely I'd buy a 1st cross bitch and breed a 2nd cross from her.