here's the link to the Australorp Club of Australia and the breed standard as they have it. I couldn't find a US one, though I didn't look Super Duper hard... still this should be fairly helpful.
http://www.australorps.com/4.html
I'll probably poke around a little more because that's what I...
I say take him to the show and enjoy yourself and have fun. Learn from the experience, and talk to other Australorp breeders/owners. Get their opinions about your bird, tell them you really want to hear what they think so you can learn more. When people know you are interested and eager to...