I found this place 3 years ago and I tell you they not only have the best fresh fruits, vegetables, grains, etc but also their price for fruits and vegetables are unbeatable. They have a variety of groceries from all over the world and you hear people talking in so many different languages.
It is located on DeKalb County at Ponce de Leon. It is worth a try.
Their web site is http://www.dekalbfarmersmarket.com/
I am sure you are going to like it.