My old Ipod is showing it's age and the battery isn't fantastic any more. I have the nano with shake to shuffle not the one with the camera. I'm kinda hoping Apple release a 32GB version sometime soon since I'm running out of space on my 16GB one. One of the main reasons I didn't get the lastest nano is because my phone has all of those features, I just need one with more memory really.
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I am very happy with it, UI is minimalistic, but looks very nice IMO.