Well as it turns out I know nothing about berries, they are so many. I am not yet commited to plant fruit trees but was looking into cold hardy varieties and came across Pawpaw a native US fruit that you don't see in the stores and it turns out is a berry as well
http://en.wikipedia.org/wiki/Pawpaw
http://www.starkbros.com/products/tr...y-fruit/pawpaw