This column does like a bargain. Indeed, it not only esteems and relishes a bargain, it has also worked long and hard to prove Milton Friedman wrong. Sometimes there really is such a thing as a free lunch. And for those of us still wedded to the notion of owning music on some kind of solid, tangible medium (vinyl, CD, dusty box of cassettes at back of cupboard), these are great, cheapskate-friendly years in which to be alive.