Aww, so cute. That's a really good hatch rate. You have given me hope that i might actually hatch my eggs when I finally get them in two weeks. Both nervous and excited. I like speckled Sussex, those with your buff Orpingtons should be a pretty flock.
Buff Orpingtons are one of my favorite breeds, so hopefully you aren't too upset. Though you probably don't need three roosters. It was a bit of a mix up.