Thinking about getting an iPad and was thinking about getting the 3g version. For those of you that have your iPhone 4 and a 3g iPad, let us know if you can take your micro-sim out of your iPhone 4 and put it in your iPad and have it work. I know people have cut down their Sims from other iPhones but wanted to make sure the sim from the iPhone 4 works before I pull the trigger and buy a 3g iPad. Also does AT&T care if you do this? Thanks.