It's early for huckleberries and they are getting very expensive. When we were in Montana two years ago, they were about $48/gallon.
Most pickers (they are all harvested in the wild by individual pickers) are out there competing with the grizzlies for them, so it's a dangerous business. They are stored or sold frozen for confectioners or bakers at a local level. I googled 'frozen huckelberries' and came up with this:
Good luck--I'm a huckleberry fiend myself!
here's an article about he current craze of restaurant use, from last year at sfgate(sf chronicle online):