Though Microsoft hasn’t officially announced the Zune HD‘s release date, several reviewers have already received pre-production units. This hands-on demonstration shows the “slick unlock mechanism [and] swooping screen-change animations.” Continue reading to watch. Click here for first picture in gallery.

Sure, we’ve been chummy with the Zune HD in the past, but we just took it for a quick spin on video so you can check out those smooth transitions for yourself.

[via Engadget]