Not much point in adding pure Grey in my opinion to anything that already has it in its makeup.. A lot of the Greys today are a bit wimpy anyway.I think its the Aussie blood. some of them look like razor blades. Coursing dogs in Ireland are bred for straight line pace and not open coursing. Many of them are 90-100lb in weight. They are not built for turning.Bare in mind Master mgrath was around the 50lb mark,thats a very small bitch size today,yet he won the Waterloo 3 times and shared it once..The only point using a pure Grey is in a f1 hybrid,and thats when a lot of thought should go into th