Cdavid: the G2 Vision Cards are a mixed blessing. They add nothing to the nautical data preloaded on current garmin
chartplotters. Everything you need for safe navigation
is there. G2 Vision adds a very large number of photos of marinas
and other key locations, along with a useful database of services, telephones, etc, beyond what you have in the out of the box unit. It adds a three dimensional view that is pretty interesting, especially in water
with rocks and steep changes in depth
, but pretty boring in a shallow bay. And it provides the ability to create a route
from point A to Point B without encountering certain navigation
hazard like parking lots and breakwaters. Albeit there are some teething issues with that planning features.
For a number of in depth
discussions go to www dot thehulltruth dot com and do a search on G2 Vision.