What is the best plan for the iphone?

[#1MustangFan]

There are plans that are labeled iPhone plans but all they are is some basic voice plans with the iPhone data plan for $30 added in. So basically all the plans AT&T offer are available to you and all can be viewed at the website below

 

[JorgeL]

I just bought an iPhone of ebay, what is the best plan for it? or is there a special plan for the Iphone?