I had a Z2 before, upgraded to the Z3 software.
Now don't get me wrong, I love the Z110BT, but there are a few things I do miss from the older unit:
The voice setup. I much preferred the older way of doing it, mixing the prerecorded voice with the TTS voice just to say specific street names. On the Z110BT, you choose either prerecorded only, or TTS where the "computer voice" says everything.
No more vehicle dynamics.
No more split-screen map (I liked the 3D split view with the small side zoomed out and always facing N on longer trips).
No more mute button. Okay, seriousl