Member Bettsy Mosimann suggested this article from the New York Times regarding the burgeoning egg business for free-range.
The market, while still small, is growing fast for pastured eggs, which means that hens live in housing that allows them to spend much of their day in open pasture.
You can read the article here: NYT Article “Putting the Chicken Before the Egg”
Also, there’s a photo slideshow of the new approach (or is it old?) – NYT Slideshow