Put it on the Mac.
Really, I think I remember reading something a codec for it that works with just about anything (that uses quicktime I think), so it would play in quicktime, itunes, and probably 3rd party shit too, I think. If that works, you can use quicktime, or some other encoder, to downsize it to mp3's, and copy back to pc, or maybe just burn a straight cd from it (try dropping it on toast and see what happens, itunes might burn it too).