If this is not the right thread, move me on

In spring I will drive my morgan threewheeler notworthy and I need some informations / opinions about navigation computers a la Garmin/TomTom/Navigon etc. or smartphone-applications, which experiences you made concerning:

direct sunlight? sunny
moisture / rain? umbrella
installation / installation kits (m3w and windscreen smile )
Live system (to be online during driving)? call
possibility to install/see/navigate private POIs (point of informations)? read

Thanks a lot

Achim


4 aircooled cylinders, 7 tires, not waterproof: my m3w Bluebelle (2013) and my 2CV Gundel (1990)