Taz, here’s how to read and calculate that table. The only important number is total cost of ownership for the life of the 24 month contract. Ignore the price of the phone listed there. The table is designed this way so people get drawn to the 0 NT phone, which as you will see is a bad, “sucker” option in terms of what it costs you over the life of the two year contract.
Look below and notice that the jump from non-zero to “free” price of the phone (highlighted) has the largest jump in total cost of ownership. I’m pretty sure a whole lot of people fall for this trap. Well played, CHT. The other carriers have plans and tables structured in the same way.
Note also the negative delta built jumping up from the 1049 to 1349 in plans on the iPhone 4.
Their table:
Interpreting the table:
With formulae:
Whatever you do, do not get the lowest plan. Its 500MB data cap will be gone a week or so into the month if you use your phone at all. All the other plans include unlimited data.