þessi er með retail: http://www.att.is/product_info.php?cPath=41_28_106&products_id=1055&osCsid=63d11ce7e6ba2c75878ac16b1673dd76 þessi ekki: http://www.att.is/product_info.php?cPath=41_28_106&products_id=1054&osCsid=63d11ce7e6ba2c75878ac16b1673dd76 500 kr. munur, hvað gerir þetta retail? betra?