Hello out there, can you help me! I live in uk currently & I'm going on holiday to the US very soon & I want to buy an iPad, however in sept I'm moving to Australia! Can anyone recommend which version of the iPad I should buy, will be compatible in all 3 countries & as I'm such a non techy what will I need to do to use it in each country? Obviuosly I would like to purchase it in the US if poss as cheaper!! Please help!