Look guys...I'm looking to get new electronics. Ive got all garmin finder and GPS lookn for a good combo unit with duel xducers and mounts so i can move unit from cockpit to deck using the same unit. Give me your input on topo cards, computer friendly units. What combos dont slack on the detail on the bottom views. My pockets aint deep boys so what do yall think the best combo for the money is!!!