P.S. They tend to get dirty butts often, because they have too much fluff back there, but they are SO good about getting a bath and blow dry that it's not really a problem. I love their fluffy butts just the way they are! And I love how calm and completely cooperative those chickens are whenever...
I'm a big fan of Orpingtons! Can't speak as to the popular Buff variety, but my English Orpingtons (of different colors) are absolute sweethearts! They want to be near me or on me regardless of whether I have treats or not. They are very calm and tolerant of a lot - noises, handling, even...