You may discover that you have problems calling in places where you've been used to phoning without a hitch. At this stage in its development, wireless Internet access is a chimera not worth paying extra to get. Switching might be worth the trouble, however, if you get a good deal on services you really want, like a bigger bucket of included minutes at little additional cost. In our survey, half the respondents who switched said they'd found a better deal. Sizable numbers cited dissatisfaction with the service, or wanting a different type of phone or coverage over a wider area.
Forums See a list of plans available in major U.S. cities.