Sony's OLED Walkman is something else. Literally. In many ways, it's Sony's first formidable iPod rival to emerge in quite some time, and with its striking OLED panel, tastefully appointed graphite casing and absolutely amazing audio quality, it's certainly worth a look. For those of you around the world that have picked one up, we're curious to see if you think you made the right decision. For many, anything sans an Apple logo is the right choice, but we're wondering if the UI, design and value here were up to snuff in your mind. Are you digging the overall look and feel? Do you mind not having an App Store? Are you floored with audio / video performanc