My girlfriend currently has a family plan - it's three lines. Her dad and mom both have "dumbphones" while she has an iphone 4 with unlimited data on her line.She wants to use her dad's upgrade since he is currently eligible for an upgrade, while her line is not eligible until December.Here is my question. What can she do about preordering? From the sounds of it she should be able to preorder through apple.com on her dads line. Then once the iPhone 5 comes, she should be able to go to a verizon store and cancel the data plan on her dad's line and then get a nano sim for her line? Additionally, through doing it this way, she will be able to maintain unlimited data?This sounds simple and almost too good to be true!Please let me know if this idea is correct or if there is something I am overlooking.Thanks!Edit: One last question. Verizon does not have a penalty for not keeping the data on the line for the duration of the contract?