I have one and although it's not an Empeg killer (what is?) It certainly beats the Ipod in the value category. I use the Notmad software with it (redchair.com) as it is more explorer like. I think this shows some hackability.

The software on it is OK does a good job of queing things up (no gaps) and is reasonable at finding what song you want. Definitely get the remote as you can bury the player in your pack and still have reasonable control over it. My biggest complaint is that the display is hard read (too small) remote kinda solves this but is limited in info