Hi Sub,
I'm newbie too

and I've bought 2 units China made nano clone, well I prefer to call them the chiPod (China iPod)
In some points China products seems to be more customizable not only the themes, but even you can create your own application and put it in your chiPod.
BTW, Sub have you check what kind of chipset your player has? is it an s1mp3 player or else?