hello i am looking at 10" ZT180 v2 Android 2.2 Tablet HDMI - 512MB - 4GB Epad on eBay (end time 01-Feb-11 00:47:48 GMT) 1> rootable? 2>market? 3>exusb-HDD? 4>can i install windows xp/vista/7 on it? ty for any help