I have t-mobile. I also have a brand new 16gb iPod Touch. I'm going to try and trade my iPod for an iPhone - but that's besides the point. I'm wondering how well the Unlocked iPhones work on T-mobile. I know that the visual voicemail doesn't work. What else does/doesn't work. Will I have to up my plan in order to use it? Will I have access to internet and apps? Is it difficult to unlock an iPhone? What other roadblocks might I encounter? It's something that I am really pondering right now. Any help would be greatly appreciated.