Dynaquest is currently TOMTOM. it does have an option to set vehicle size, but it is not RV specific with POI's or anything.
No dishwasher option at this time.
We are looking at DX3 options right now for all electric. We are just finalizing an electric range top. There is already a diesel aqua hot option. The last bit is really just to delete the LP tank.
PLEASE do not send questions via Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).