Hi, Have a new furuno tz touch 3, fishing east coast-long island ny . mostly bottom fishing / searching new areas to find structure while underway. looking to purchase a transducer , depths usually less than 200 ft. mostly around 20-100 feet. any recommendations for a transducer? had a B60 in the past did very well, would like chirp? would the increase in sensitivity of a 1k transducer be worth the increase in price point? plan on a side scan in the near future as well, would like to buy once and do it right. would the furuno 3d be the way togo? another option?