This is something i've seriously been thinking about too, however, could you live with EDGE speeds if you went more then 20 miles outside your city? Would turn by turn work well with EDGE, what about turn by turn plus like pandora? I'm pretty much fine with ATT's data speed in town right now and I don't need TMo to fix that, I need TMo to fix the use of data when I'm OUTSIDE town, and that's sadly where they really seem to have issues. I would hate to think about how my phone can replace my MacBook Air and even my iPad and just go hit the road just to be reminded 50 miles away that I need to go sit inside a starbucks or something to use a hotspot to download some music and maps and emails and then hit the road again. I wish they would just honestly very clearly make it known where has moved over to 1900 mhz and if they plan to get extended service moved over to an iPhone band... it doesn't help if it is just the 30 mile circle i live and play in, most the time i'm 20 minutes away from an iPad or macbook air or something ANYWAY when i'm in town near home...