To be honest I was looking for an F1 for reason opposite to what you’re stating. The first generation are usually used as a cross because the dogs were in a proven state. And you usually end up with a good even amount of both genes. That goes for build, shape and coat (usually rough coated)
Yeah, I even spoke to a friend that works Bedlingtons, terrierman for a local hunt. And he is lining his proven dog with a greyhound soon but they are still on the lookout for a coursing greyhound. My only issue with his working bedlingtons, like many nowa days, they are not of pure blood. Many now