Trying to decide ipad2 or xoom for the wife... Does the xoom have gorilla glass? How does it charge? Battery replacement? HDMI, need any extra cord? Expandable memory? wireless printing? Word processing? Dropbox app work? What are the apps coming to make this tablet better? Creating power point presentations? Mirriring? These are the ?'s the wife asked..She wants the ipad 2 and I want her to get the xoom... Any help would be appeciated...Thanks in advance!