Look at the ingredients. What are "meat by products"? Feet, hooves, and it gets worse! So, no, IAMS is garbage, IMO.
I like Felidae. When all that pet food was being recalled a few years back, I didn't need to worry because my pets food came from the USA...every part of it. Look for 'human grade' ingredients.
Oh Purina. I know I am picky on my pets food. But Purina is kind of the equivalent of giving your cat McDonalds everyday.
I like to get my pet food from this place. It's not cheap, but you can pick up and they also have delivery. They have a great selection too.
http://www.gooberpetdirect.com/
But check out their selection of cat food. Look at the ingredients. It is quality food that is actually good for you pet; high quality ingredients with no fillers and by products!
Here is the ingredients of Felidae:
http://www.canidae.com/cats/chicken_and_rice/dry.html
Nothing artificial and all that bottom stuff is all vitamins! Wow...
I did used to feed my pets Science Diet and that is even 'garbage' compared to these holistic, natural pet foods.