Amazing? No. Tobacco is not something that amazes me.Has anyone found that bulk tobacco that seemed average when new, but miraculously after 5+ years it becomes amazing?
Turn into something worth smoking? Yeah, and the most notable, to me, example of that would be PS-LBF. Fresh it's less interesting and flavorful than cardboard. Give it a minimum of 4 years and it develops some very satisfying flavors. Personally, I think it's because it gets released way early and the expense involved with aging is turned over to the buyer to take on rather than the blender.