I remember seeing that pic of Jack the Gripper, good looking dog. I like the cross and know others do as well. Like your saying the dogs should be good to start with, not just throw together a AB and APBT. My crosses, all of them athletes, range from low 60s to high 80s.......
http://www.pedigreedatabase.com/search.html?q=bullhead&p=4Good luck to you