This actually has a pretty good breakdown of data cost/task. It also points out that there is a break-even point at the 500MB mark with the unlimited plan. Ha

This actually has a pretty good breakdown of data cost/task. It also points out that there is a break-even point at the 500MB mark with the unlimited plan. Having never reset my 3GS, I was curious to see where I fell in. If it were offered, I only need 250MB about every 27 days it would seem - an opportunity to save $157/year on phone service if AT&T provided the means to do so.