You are not alone... When I was growing up we fed our two family cats "purina cat chow" because we thought it was a good food too... AND it IS good food when compared to some of the others that contain dye (which can make your cat throw up) or the semi-moist foods which are very bad for your kitty.
That said, when I adopted my first cat, Toby, I wanted to do some research and find out which brands of food were better for him.
I decided to go with Nutro Natural Choice dry, for several reasons,
1.) It's available at petsmart and petco as well as one other store in town "petland" (which I don't shop at). So, I know that if I travel and run out of food (or move) it should be available in my area.
2.) It is a deacent price (I usually get the 4lb bag on sale for $9.99). Which is cheap compared to some more expensive high-end foods.
3.) It comes in several types / varieties (I have two kittens that are on the kitten nutro right now and Toby is on weight managment). Especially, if you consider nutro MAX as well (it is a little cheaper than natural choice).
4.) Nutro usually has coupons fairly often (nutro reps come to various stores on a schedule and usually hand out or leave coupons). They also have a free trial bag promotion (check out the "free stuff" thread...can't remember the exact title of it). AND, they even had a $6 off a bag rebate a couple months back, which I just recieved in the mail.
Other than the dry (which is the staple of their diet), I feed a variety of wet foods... chiefly the petsmart "authority" and nutro "max" and "natural choice" although I do mix in the meow mix market selects cups and others for varietie's sake.
I have also heard great things about chicken soup for the cat lover's soul and I would feed it if it were available in my area... I emailed their customer service and recieved a free sample of the kitten, adult, and adult light formulas. It is also supposed to be a little cheaper than nutro and the ingredients look good to me.