1. A mobile wireless communications device comprising: a wireless transceiver and a controller cooperating therewith for receiving text messages from a wireless communications network, said controller being switchable between a normal message mode and an audio message mode; a user interface device connected to said controller for receiving at least one audio mode filter parameter from a user; and an audio output connected to said controller; said controller, when in the audio message mode, selecting received text messages based upon the at least one audio mode filter parameter, and outputting audio messages comprising speech generated from the selected text messages via said audio output.