I am a breeder of White Dorpers and I love them. As with other breeds the quality varies. I have full blood white dorpers and find most are full shedders. The shedding has alot to do with climate. This year I found that some that shed completely last year retained some backline which can be a good thing. It protects them against weather changes like we had last week. We had extreme heat and now its raining and cold. As far as hooves I dont have a problem though when the ground is soft they can grow a little long.They are sheep with fantastic,easy going natures. They lamb easily and are good mothers. I am yet to find a real flaw.
I hope this is of some help with your breed comparisons.