Wellness is a good food, but I've had very little success with it. It gave Buster crazy explosive butt diarhea!
If you want to browse dog food ingredients here's a good thread :
http://www.pets.ca/forum/showthread.php?t=28957
Is Timberwolf Organics available around where you live? They are just starting to sell in Ontario (not in Quebec yet
), but it's one of the top foods IMO...