I have a workmate and a cousin that still swear by their Zunes, and my sister still uses one in her car. My cousin has actually stockpiled a few backups due to them being discontinued. I would still use mine if my smartphone couldn't handle that duty, it was an amazingly simple to use device that just didn't have the marketing behind it that it needed to succeed. In the hayday of the iPod, most people didn't really care about the other options, or like me, they had a phone that could handle their music on the go.
Seems MS is doing a much better job at marketing the Surface so far, and it actually has some stand-out features that make it a contender when someone is considering tablet options.