It is it leaves the Archos standing, good volume, absolutely no background hiss / static etc. My only problem with it is the controls are a bit rough and need firm handling. I would have no hesitation in recommending Zen and the new WiFi version must be going some to improve on the one I have.
I use pocketdivxencoder and the Archos AV400 setting to convert any video files (same video res as the new Mobile BBC iplayer) It gives a very sharp and clear picture on the small screen.
It also have an FM radio with multiple presets, plays DRM protected files, long battery life, great built quality and as you say great sound. If it recorded TV and had a web browser I would dump the Archos and revert to Creative. Sadly they dont
