I've been really luck with my crosses, even with the chocolates. They are retaining the ameraucana qualities better than I had hoped. I do not have any offspring on the ground yet; just eggs in the incubator.
The pattern gene is recessive, having two copies gives better lacing. He is actually better laced than the photo shows, I couldn't get the camera to pick it up. I think I will take him to the Stevenson show this month.