Background: http://gizmodo.com/5100952/t+mobile-g1-net-access-cant-be-turned-off-results-in-huge-roaming-costs/

Today, i just received a text message from t-mobile which reads:
"Free T-Mobile Msg: To help avoid unwanted international roaming charges for data, disable Data Roaming in Settings menu. Learn more at www.t-mobile.com/g1intl"