Well Peanut has been on a lot of food- Right now we are currently feeding Brother's Allergy Formula. We were on Acana Ranchland for like 2 years until they changed their formula and it didn't agree with Peanut.
You will get a lof of different opinions about food on here. Different people like different foods. The only thing that matters is what you feel about the food and how your baby does on it.
Do some research get some samples, see what your baby likes, research the Company and Google everything
Very important what works for my baby might not work for yours just keep that in mind.
You can also read
Dog Food Analysis - Reviews of kibble
see what the professionals are saying. That is how I found Brothers-