Hello, I was grandfathered into unlimited by ordering iPad on June 6. I recieved it on June 23. I spent two hours on the 24th to activate it using the 866 ATT ipad line. On Wed June 30 I called ATT and asked them to change my current "2gb" plan to the unlimited. They did so but I now getting messages like this: "Your 2 GB of data for 30 days for $25 rate plan has 10% of the plan remaining. Your next auto-renew date is 07-xx-2010. To purchase more prior to your next auto-renew date, please go to Settings on your iPad. Thank You, AT&T" Should I be worried? Will I be charged overages? How do I clear this up? You can never be sure with ATT. Thanks.