Nature's Hatchery, if there is no other choice. They're a newer hatchery, so their stock is newer. Also, they actually admit to some of their crossbred chickens like Easter Eggers. They're also not prone to have as many diseases, malformed and malnutritioned birds, and crossbred "purebred breeds."
Ideal has a tendancy to have much more poor quality of chickens, and they do a lot of "experiments" with "new colors" of some breeds.