The GPRS shield wiki example for the Pachube upload is fine except at the end it has GPRS_Serial.Print(01x0A,BYTE). However BYTE is not supported by Arduino 1.0. What is the new CTRL-Z in Arduino 1.0 for this modem?
Also, are there any characters that Arduino doesnt like? I tried to send an HTTP post request and it works fine on the modem (via realterm) but not through Arduino.