We have just picked up a used, but in excellent condition (virtually unused actually) for $300. Screen
is smallish I think- maybe 6" x 10" but crystal clear. It's an Autohelm
, which was purchased by Raymarine
. We felt that used, given the lack of moving parts
, was the best for us. Like you we were not shooting for a high speed integrated system. Used made it easier to avoid the electronic octopi, with their multiple electronic tentacles...
Had to have a missing cable fabricated but that turned out to be easy.