I was about to upgrade my Incredible for an LG Revolution this morning, but was asked to select a tiered data plan. I cancelled it because I don't want to give up my unlimited data. 2 questions.... 1. I thought those that would be grandfathered in were even grandfathered in after an upgrade? If that's not the case then... 2. If I were to pay full price for the phone...would I still have to select a tiered data plan?? Thanks.