Shouttr comes under such those innovative twitter clients which offers some different and innovative features which you may have not thought of.
Shouttr allows you to listen to the tweets you receive on your public timeline rather than reading them, it sits in your system tray in windows and shouts the tweets received. You can also repeat tweets to listen them again in case you haven’t listened them properly before.
Shouttr is currently in alpha stage and it allows you to read and post tweets, more over you can configure the voices which you want to hear including the voices accent like male, female, sexy and so on.