Im going to Greece in a few weeks for vacation. I want to buy my cousin a gift and he has asked me for the Garmin 526s chart plotter. He just wants the device for measuring depths of the water in order to understand where he can catch certain fish. I have checked online and this device goes for around 700-900 dollars. I am willing to spend around 300-500 really. Does anyone know of a comparable product that i can get him (it could be used as well) that also has a menu in greek? Thanks