My cats love Natural Balance and it is so good for them. I like the fact that one 6.6 pound bag lasts my three cats a whole month. I payed $14.99 for the bag, pricey, but my cats love it! I recently bought a new cat food called Foundations. It is a Canadian cat food, but you can buy it from their website I think.
We've been feeding Natural Balance to our cats for over a year and they've been doing great on it! They love the taste, the ingredients are good, the price is good ($25 for 16.5 pounds at Petco plus the buy 10 bags get 1 free deal) and I can get it at Petco easily. I free-feed the dry and give wet food (either Natural Balance or Nutro)in the morning and evening. No complaints here.
My cats like it too. Funny, I JUST picked up a can randomly not knowing much about it. But they enjoyed it and it's cheaper than some of the higher end foods actually. I like the fact it has veggies in it.