AT&T would be better for international roaming just due to the whole CDMA vs GSM thing. The obvious guess would be money. Maybe AT&T offered a better deal. Eve

AT&T would be better for international roaming just due to the whole CDMA vs GSM thing. The obvious guess would be money. Maybe AT&T offered a better deal. Even without a better deal, manufacturing costs most be cheaper with only one GSM version doing twice the volume versus two different versions.