How much would it cost to get a samsung myhic if you could upgrade and renew your 2 year contract?

My iphone just broke for the 3rd time and Im looking for a completely new phone. I want the samsung mythic. Is that a good choice? any suggestions? And of course whats its onna cost me?|||I love the phone ive had it for about 3 wks now. To find out prices go to att's website or they have them at radio shack so go to there store or website as well.

papa ginos