It's really a great device, it's a rock-solid performer. I've been testing this for three weeks now and I've had zero issues, it was very easy to set up.
Geekanoids has published a live stream review of the Buffalo TeraStation 5410 RN. The editor first explains the concept behind NAS devices, then gives a quick overview of the Buffalo NAS, walking through the specifications and features. He also shows the dashboard and how to use the NAS. He finishes the video by commenting on how easy it was to use the NAS and how solid and fast it has been for him.