Does anyone know if I can use my existing GoPhone sim card in an Infuse and be able to get one of the prepaid data packages to work? I know it can be done with the Captivate but I'd really love to get an Infuse. I've had my GoPhone for over a year and have tried the card in other AT&T phones that belong to friends and family and it works fine but I just don't know if I'll be able to get a data package that would work with the Infuse since it is 4g. The 4.5 inch screen on the Infuse is would be so handy, otherwise I'd just get a Captivate. Thanks in advance for any advice or information you have!