Hm.... so I guess essendoubleop can't have a tape adapter and body butter both on his christmas list. That's gonna be a tough call there.
Anyway, I used one for quite a while. Used it with my Rio Volt MP3 CD player, even. Although the quality might take a noticable dive, if you're an audiophile. But it was good enough for me, didn't really have too many problems. The only things that happened were 1) had to do something to keep the CD player cushioned to keep it from skipping, and 2) had to warm it up (by sitting on it
) during the winter. I'm sure these won't be problems in every CD player though.