I don't show, but if I did I have 75% English and 100% English, so I would be showing what I have. What I have is what I like and what the breed was originally meant to look like. In my opinion, many of the APA SOP birds look like Australorps and I feel the US ruined a perfectly gorgeous bird. I bought birds off a APA SOP breeder & exhibitor and she told me which of my cockerels looked the best. She told me to keep one that looked like my Australorp roo! I didn't keep any of them and switched to English imports.
You can't accuse someone of cheating when they are showing their bird in the class they are supposed to be. They can't help it if the judge likes the imports better than the home bred birds.