You may want to look at putting in a track system with the two pastures in the middle, it sure has changed the attitude of my horses, they are so happy and content.. Jamie Jackson wrote a book about it, Pasture Paradise..
-- My horses love their track system~ http://picasaweb.google.com/dakota.charm/TrackSystem The Soul of a Horse ~ has touched my soul, may it touch yours too! ~ thesoulofahorse.com ~
