hidden72 writes: "Voicestream quietly rolled out their iStream GPRS wireless data service in the United States last week. More information is available from Voicestream's website. General information about GPRS can be found here. Theoretically, GPRS data rates can reach close to 170k. Voicestream's per-packet charges are quite expensive, ($40 for 10MB) but it's an always-on 28k-56k data connection available in most metropolitan areas."