24. A portable computing device as recited in claim 22 , wherein a text-to-speech conversion engine on the host system is used to create the audio prompt containing an audibilized text string, the creating the audio prompt comprising: retrieving configuration settings for the text-to-speech conversion process; searching for a new text string; determining if the new text string is to be converted to an associated audio file in accordance with at least one of the retrieved configuration settings; and converting the new text string.
25. A portable computing device as recited in claim 24 , wherein the searching for the new text string, comprises: receiving the new text string from the portable computing device, wherein the new text string is manually entered at the user interface of the portable computing device.