Apple iPod! By far. There are some outright strange things about the Sony app like not being able to manage a queue of songs easily without creating an adhoc playlist, the navigation is sometimes frustrating, and the default desktop app they provide to sync songs to the player in a manner that will keep lyrics and song art intact is absolutely atrocious. But pretty much everything else is good and there's nothing else on the market so...

> But pretty much everything else is good and there's nothing else on the market so...

Exactly, so I was curious if you had replaced the Sony player app by another app while still using Sony hardware?

No! I hadn’t even looked into it, can they be rockboxed?

I'm quite pleased with my Sony NW-A45. I miss the ability to rate songs, but I understand it is much better than the Android based alternatives.