How much does it cost to upgrade my iphone 4 to an iphone 5 with at&t?

Ok here it goes. I have had a 2 year contract with at&t. I'm now eligible for my upgrade. I currently have an iphone 4 and i want to upgrade to the iphone 5 when it comes out. I know iphone upgrades aren't free. How much will it cost. And is it possible to pre-order it?

(this has nothing to do with the question but if you can answer both of these and the actual question best answer is yours: Can information on another phone be transferred to an iphone 4? Like from an sim card to the iphone. And: Is it possible to save sounds you get in a text? If so how?

$199 if you eligable for an upgrade, full price if not.

I don't know about the upgrade things, that will have to be something when you are talking with an at&t representative

about your information, if you have itunes on your computer, you can make a back up file of it and use the restore from back up when you plug in the new phone
and for saving sounds? I think you were talking about ringtones, on your itunes, plug the iphone 4 to the computer and right click on your device to transfer purchases

Now a days technology is get more popular. Iphone is the new invention of technology. So every people hope a free iphone.