I am considering buying my children a tablet to share for Christmas. I've kept an eye on the threads here and was thinking about a Nexus 7 or a Samsung Galaxy tab (I am completely ignorant about these things and am in MN's hands, I have no ideas of my own). I liked the Samsung tab as it is a bit bigger and I saw tablet on ebay which claims to be identical to it but much cheaper here. So, is it the same but unbranded or would I be a fool even to consider it?