With these new contract free plans I'm really curious about hopping over to T-Mobile for the price. A family plan of 5 would go down from $200 a month to just $110 with double the (unthrottled) data included, free tethering and no overages. Anyone in the Los Angeles Area make the switch? I understand that my At&t iPhone 5 doesn't have AWS (though I don't fully grasp what AWS is, is that HD voice?) but will I lose anything else switching carriers? Also how is the reception/data speed/usage for T-mobile on the iPhone 5 in this area? LTE? Thanks!