Which features do you like most in your Nuvi ? Which are the useful ones in your opinion ?

I don't agree with you, I think the Junction view is very useful especially at the complicate junction of flyover, it can guide you to the correct branch.

Things to fix:
Look up the Paris airport. You will get a dozen lines starting the same. The lines scroll ONLY on some newst models. You have to click it and go to properties for each line manually to find out that it is the wrong terminal. Here small details should go first.

Another thing is the nearest POI addresses: you see only the number and street name, which is useless until you see the CITY name. Here Big details should go first (city), then the street name and so on.

I find very helpful the junction view and lane assistant. I would love to have an mp3 player on my nuvi 1390, but I've never succeeded to find the possibility to install it.