For those who can't wait for NPC voiceovers, here's a little text-to-speech toy that'll speak out lines coming from the tabs you ask it to watch:
http://myspace.voo.be/pcoupard/planeshift/pstts.plIt's actually useful to play without having to watch for flashing tabs all the time, to avoid missing a message.
It works in Unix only. I guess it can be adapted easily for Windows, but I don't have a Windows machine.