Levi eats Orijen now, and I am pleased with it.
We've used Blue Buffalo in the past, and Levi did well on it. I decided to go the grain-free route, so we switched to Orijen.
I'll occasionally give him chopped pieces of carrots, green beans, apple (no seeds or skin), or cooked chicken mixed in - or I'll add in about a tablespoon of wet food (we use Wellness Core).