I'm still using a Nano it works great for my purposes, I think it's 4-5 years old and still going strong (gym and bike and car), I keep it in a neoprene case that I got at best buy, still using the wired yourbuds, which I don't love nearly as much as my Nano, but they work.
I listen to lots of podcasts so the shuffle wouldn't really work for me.

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