There are definitely various grades of chocolate. The ‘no name’ brands are not nearly as good as brands like Hershey’s, Nestles, etc. Lindt, Godiva and the other more upscale brands are better yet! π
A friend of mine is a Reese’s Peanut Butter Cups connouisseur. He swears, with one bite, that he can tell whether the peanut butter cups are from a recent lot or a slightly older one. I’ve never been able to tell if he’s pulling my leg or not!!! π