In this place that I happen to live, windshields are essentially a consumable. So, you drive until you HAVE to replace it, which is where I am now. The price isn't a major factor - but, the installer is asking if I need one with GPS or rain sensor. My FiST does not have navigation, but one of the vehicle information bits is the longitude/latitude, which suggests to me that the GPS is actually there, but the NAV software hasn't been installed/activated. So, I guess my question is - which one should I have installed? Given that I don't have/use Ford NAV, I suppose just a basic windshield would do... Have I just answered by own question??