I just hatched my first wheatens this spring and they're about ready to lay. I'd say they aren't quite as calm as my cuckoos, but they are far from flighty. I'm anxious to see how dark their shells are. They hatched from fairly dark eggs. Personally I think they're the prettiest of the Marans colors.
bayhorsebonne on ebay sells them. She told me her wheatens don't lay as consistently as her copper blacks. She said they more easily stop laying with weather changes, stress, etc... but they are probably her most gorgeous birds. they are something else! BIG, fluffy, gentle, very impressive to look at.
He is a mille fleur cochin. That was a juvenile photo of him. Just took a fresh mug shot this morning. Ta da! His first eggs are under a broody and due this next week! He is in with mottleds so all the babies will be split to mille fleur, but none will show it. I can't wait!