i've read this in a german newspaper some time ago. according to this article, iPod actually obeys the E.U. guidelines, even so experts found that especially iPod users are in high danger to become hearing impared.
this is what i found via google:
i don't feel like reading through the whole thing now, i've had quite a few scotchs tonight, but from what i've read i assume that's the thing i'm talking about. you only have two ears. "handle with care."