Do u know much about fish finders? i have a hummingbird 917c that i got with my boat, it has to be a few years old, neways its needs repair, i know for about 300 i can send it out of its fixable. but im wondering if im better off geting a newer one even if its a lesser module maybe it could actually be more up to times with thenew imagineing? i dont realy know shit about them and never truely figured this one out before it shit on me and i fiished most the year without one. could use somones experties, basspro has a few onsale for black friday , i was looking at a lowrance elite 5 dsi combo onsale 399. i know the one i havewas origianly 900 , but like i said it could be outdated now, and i know nothing about upgradess ect.. thanks