well the fact of the matter is that it is typically going to be business as usual, because of the fact that AT&T and T-Mobile are both businesses even if you ha

well the fact of the matter is that it is typically going to be business as usual, because of the fact that AT&T and T-Mobile are both businesses even if you have crummy service or really good service it shouldn't change anything, if your on a good plan then it is going to be ATT's obligation to honor that as a "grandfathered" plan so therefore, this is not as bad as you would think