AT&T is such as joke. I'm honestly surprised they have not been sued yet. My phone service is great in smaller towns, but when I got into Philly, NYC or LA its almost impossible to get anything done.
I wont even get calls, just mysteriously 15 minutes later I will get a "beep" showing me I have a voicemail, but never received a call.
Its a shame that I have to pay an additional $60/mo for a "backup" phone when traveling because of the shitty service that AT&T has.
BTW, they are definitely NOT the fastest 3G... I have both the mifi and at&t usb card and everywhere I tested, Verizon can download faster ONLY when I'm in an area that Verizon does not have 3G coverage and AT&T does