1. Poor service
2. Changing data plans mid-stream.
3. Poor service
4. iPad comes with an optional, month-to-month plan. If you signed up for a data plan when you got the 3G iPad, you're on the old plan. If you stop paying for a month, then start again, you're on the new plan, not the one in effect when you signed up.
5. Poor service
6. Misleading ads
7. And poor service

>Ok so if you're not sure then what it your biggest problems with AT&T?