A friend of mine offer to lend me his unlocked iphone to me to test out and see if i want one when it comes out in the UK. I have some questions. 1. When i plug his iPhone into my mac will it allow me to sync my contacts, music, movies? 2. Will the iPhone be recognized by itunes? (I have itunes 7.4.2 (4)) 3. I have a o2 3G sim card, will it work with the iPhone? (It works with a blackberry and a N95)? 4. if no EDGE or Wifi connection is available will it connect using GPRS? Thanks in advance.