Well .... gotta say a couple of things that could be considered on the con side. The H2 picks up EVERYTHING when you use it as a microphone -- breathing, swallowing, moans over a missed note, ringing phones. The real down side for me was that I couldn't get the playback to go through the computers speakers. The earphones gave me a tiny delay from what Audacity was playing so making two tracks didn't work ... for me.
Reading the directions might have been helpful ...
Records great, but requires earphones to listen ... or you wait until after it is downloaded to the computer. Seems to be very easy on batteries. FWIW, I haven't used it to record any live music/group(s) yet. That is supposed to be one of its strongest points.