It's pretty much done, but I wanted to test it a bit more and have a better sound collection before it gets posted.
Basically we took a more generic approach in to voice prompts: every POI now will have ability to have an associated sound to it. (this way one can have a sound notification of a speed trap or mcDonalds nearby)... It will be up to a user to link it though... This is where in7ane's tool comes in. It's going to parse through the directions instructions and match sertain phrases in them to predefined soundtracks. (MERGE LEFT, SLIGHT RIGHT, etc) The vocabulary is going to be user configurable, so anyone with some effort could expand it to any size or tweak it to own language...
I'll try to wrap it up in a few days - as always with the source - for folks who wants to customize/ tweak it...