When you mention “OLED” and “portable media player” in the same sentence, one of two devices probably come to mind. Sony’s OLED Walkman, or more recently, Microsoft’s forthcoming Zune HD. But really, there’s a media player that’s been touting an OLED panel longer than either of those two, and it goes by the name S9. Cowon’s quiet yet powerful entrant into the touchscreen media player realm has remained largely under wraps here in America thanks to a dearth of marketing, but there’s at least a fighting chance