The X-Series are a right pain in the ***

But this may be useful...

http://www.navitotal.com/showthread.php?6936-Guide-to-Binatone-devices

cuhullainn wrote:just had my test drive and it performed great.... even told me that at one point I was exceeding the speed limit!!!.

Excellent. Glad to hear it.
And yes, with proper TTS voice installed in combination with the diMka skin and local Navteq Maps with FDA files, it can be as chatty (or not) as you like for many things.