In that case, the wife's car is perfect for you! It has voice command but can't recognize anything. I have absolutely no idea how to pronounce the name of our county seat in a way that the nav will understand. It doesn't help that no one outside the area knows the accepted pronunciation. I guess that makes it a shibboleth -- you can always tell an outsider.

As for N900 GPS fix, did you ever do the A-GPS fix? I hear it made locking much faster but never had the patience to get it done myself.