iPhone refurbThe Apple 2.0 blog over at Fortune points out this refurbed iPhone deal: 8GB iPhone 3G for $79.

But what are you really paying for all that Apple goodness? Fortune does the math.

Of course, most cellphones eventually sell for $0.00, fated to become loss leaders for carriers that make their real money locking users into long-term contracts.

Indeed, the price cuts on the iPhone have helped shift the focus from the (heavily subsidized) sticker price to the real cost of ownership: the two-year AT&T contract that starts at $74 a month for unlimited data and 200 text messages.

At that rate, a $79 iPhone will cost you a minimum of $1,885, before taxes and surcharges.

Let’s compare that to my lowly T-Mobile Blackberry Curve. More