It can be a spontaneous, self-generated hybrid of black shapes, brushed metals, and varying wooden finishes. You need not limit yourself to a single component or a single manufacturer. Whatever comes to mind first, really.

Got it?

Now picture the exact opposite of that.

They're certainly a family of headphones...but like any family, there's lots of differences. Small differences in most of the baffle plates and rear damping...could be lots of stuff going on around the driver that can't be seen.

That aphorism has few fans among people shopping for cancer drugs, contact lenses, GPS receivers, and laptop computers, all of which seem to get better with each passing year. Hell, even I know that.

It earns a more positive reply from anyone who's shopping for an oriental rug, or a fly rod, or a tweed jacket, or a musical instrument—people who will tell you that their fond response to the market for vintage examples of such goods is motivated by two things: older products were better made than their newer counterparts (better designs, better materials, better manufacturing techniques), and some, if not all, of those products, over time, actually improve with use.