This opinion may not translate into useful information to the aeronautics crowd but many of us who sail the high seas and inland waterways swear by the Northstar Chartplotter GPS.
Now the marine division was sold to Brunswick, but CMC Electronics still makes the Aviation stuff
website is
www.cmcelectronics.ca
You might want to look there
On the other hand I may be completely off base here now that I check their web site. They used to make a aviation version of my chart plotter I swear!
