I am going to Israel for 30 days in June for a archeology/biblical program that was given to me for my 25th anniversary as a Catholic Priest and then I travel to Mexico City for a 30 day Spanish program to help improve my Spanish that I use a lot at my parish. If I take my iPad which has the wireless and all the features, how will I be able to connect in Israel and Mexico? Has anyone ever done this? Should I call AT&T and find out about plans for overseas? Or should I just leave it at home and take my MacBook Pro laptop instead? Or both? Thanks!