I don't do the dry ice thing but anytime I head up to Buffalo from here in Va I always get some extra super mightys and freeze them for later. I just wrap them in layers of the Buffalo News (that's the secret to keeping them "fresh") and they're good for a long time. Also Sahlens dogs are the absolute best. Last time I was up there I was turned on to Chiavettas marinade. That stuff is great too.