There is nothing wrong with hatchery stock. Believe me I've had hundreds of them, but heritage birds just seem to be a little bit hardier. You may not get the same egg production in the first couple years but they they are better in the long run. It seems like a lot of the sex link breeds and...
Gamefowl and Buckeyes. The Icelandic are still chicks though
Games can basically just take care of their self and are extremely predator savvy. The buckeyes don't quite have the egg production as some of the other large dual purpose breeds but all of my hens would go broody about once a year...
Are used to get the McMurray hatchery choice when I was younger every couple of years so I've had most at sometime or another. The ones I've actually focused on raising at some point though are
Barred Rock
White Rock
Buckeyes
Light Brahma
Black Copper Marans
Serama
Gamefowl
and currently...