they're quite nice. I used them years ago when walking to work -
   a mile and a half, and time to kill. I had "Audible" on my old
   Handspring Visor, used cassettes, CD's, MP3s. Learned a lot of
   Russian that way, self-improvement, the stock market and more.
   My mother listens to mysteries in her car that way, and
   sometimes at home in the DVD player. Your eyes and hands are
   free to do what they need to do and only your ears need pay
   attention. "