I would recommend staying away from eBay entirely. There are way to many scammers on there and $70 for an 8GB is most likely a hacked player.
I've had my Meizu for several months now and use it for both music and video. It is an excellent player and has great battery life. Here is some YouTube on the Meizu
http://www.youtube.com/watch?v=jBd28...eature=related
http://www.youtube.com/watch?v=qJOjV...eature=related