I got my initial birds from a hatchery. They are only pets here. They are less than 6 months old and are very friendly and so far very healthy. Can't say about the laying yet. I have compared them to the breeder quality pics of their breeds and can say that the colors may be off in some... my Light Brahma is very mottled with black which I believe is considered a fault (but everyone who sees her thinks she is beautiful!). My STD Cochin's foot feathering is not as good as the bantams I got later from a breeder, and their type is not nearly what I've seen in the pics of the desired standard. My Buff Orp is also my smallest, lightest built of the 4 big girls, and I expected a much fuller body, but like I said they are pets. They aren't going to shows and so they are what they are and that is fine with me.
I would post some pics so you could see what I mean if only I could find my camera. My advice though, if you are only looking for a backyard flock and aren't interested in showing or breeding, you can't beat hatchery birds for the price. If you are going to be breeding or showing, go with a breeder, then you don't have to start out trying to fix what faults they may have from a hatchery.
Good Luck!
Oh, and one more thing... just because a bird comes from a "breeder" doesn't mean it's quality. Do your research so you know the breeder is reputable and knows their breed(s), and is not just a chicken version of a "Puppy mill"!