There are other excellent brands of food available and depending on the type of dog you have one of the others might work better for you.
Whatever you decide to feed your dogs, take a look at the first 5 ingredients listed and if you see wheat gluten, corn gluten, or any type of by-products you might want to consider another brand of food.
This site has some good info to help you make decisions.
http://www.dog-food-zone.com/compare-prices.htm
Thanks for the info and the link.