The problem with running turkeys with chickens is that turkeys are very suseptible to Blackhead disease, which chickens can be a carrier of. Check with your local agricultural extention to find out if Blackhead is a problem in your area before you do so.
I started out with two hens and one...
Pretty much any of the heritage breeds will go broody without a problem. Because they are still very close to the wild turkeys, they are normally pretty good parents. My hen hatched her first brood in April and was a very good mother. She's working on clutch #2 now.