As if you didn't already know your usage and the plan you will select, Billshrink will suggest the best plan for your usage habits. Looks like a jump in cost of $30.00 per month for me. From $75 to $105. *sigh*
Try it...
http://www.billshrink.com/iphone#
Try it...
http://www.billshrink.com/iphone#