I like
Acana. It's what has worked best for Jackson even if I was unhappy with some changes to ingredients and such. But throughout the past seven years we have primarily fed that with fantastic results. They also make Orijen which is known to be a bit richer. I feed Weurva canned food mixed in or sometimes cheaper stuff since it's just a little bit being mixed in (like Purina Beyond, etc).
I like the Acana because it's more middle-ground. Also the nutrient levels are in check in most of the formulas. I really like Nature's Logic but their ash % and calcium levels are extremely high. That worries me long term.
Also, I quite like Petcurean Go! and Now foods.