Despite diligently watching for over a year, all I ever see is cheap headphones and buds ... until today. Fast food, in-ear monitor at the next table. Hark - looks like something worthy of investigation. Sure enough he was wearing Shure E-3's. I thought it might be another head-fier who appreciates great sound but when I asked how he liked them, it turned out he was listening to talk radio and had bought them because they blocked background noise.
Hmmmm - wonder if he would consider trading for some "Plugs"?
