Spot on Johnny
But you forgot, It won't have paper thin skin=True
There's some very good working whippets about,but if they were good at everything,there would be no need to outcross to improve,Stamina,Nose,Durability (coat,skin,etc).
I'm no expert,but the only thing i see a whippet having over a BeddyxWhippet,is out and out speed.
Greyduster,if you want a rabbiting dog that will also mark,work cover (a good moocher) you won't go far wrong with a BeddyxWhippet.
Mine,10 months old,and doin a grand job wth the ferts.