I bought this together with a lav mic to be able to record a podcast while on the move, and it works very well. The sound quality is crisp and clear, and the auto-gain works well and makes the product easy to use, even though the sound requires some post-processing before it is ready to be published. The built in microphone is also good, and it is handy to bring, if you want to record ambience e.g.
The interface for playback and managing files takes a while to learn, and transferring the files to a computer takes some time and is a bit clumsy. It's also weird that you cannot recharge the batteries.