I feed my GSD and 2 Shelties TOTW (my Shelties are retired conformation show dogs; 1 is an AKC champion and the other is pointed). I rotate between flavors, and they all LOVE it. They lick their bowls clean every time, even without any additions. Plus, their coats are in beautiful, shiny condition.
I use Jeffers "Baby Powder" shampoo:
Baby Powder Tearless Shampoo