Debating whether or not to get the T-Mobile iPhone 5. I currently have an unlocked iPhone 5 from AT&T that works on T-Mobile's LTE and their refarmed 1900mhz 3G, but am debating to get the T-Mobile model because it has the AWS bands enabled. It will cost me roughly $150 to "upgrade" which is a lot but I have the money. Just not sure if it's worth it though, especially since T-Mobile is moving towards Band 4 LTE and 1900mhz PCS 3G.