When is your next upgrade available? With the introduction of plans like AT&T Next and Verizon Edge, the carriers have been working to make upgrades easier than they've ever been before by offering special deals that will help them to gain more subscribers for their networks.  But are earlier upgrades really what consumers want? Are you someone who only upgrades when necessary or do you feel the need to always have the latest device on the market?  Take our poll and let us know how often you upgrade your mobile device!