LOWRANCE X-4 IS A GOOD UNIT FOR 84.00 AT DICKS . DEPTH, TEMP, AND STANDARD IMFO . THERE ARE NO GPS UNITS,CHART PLOTTERS THAT I KNOW OF IN THAT PRICE RANGE . I HAVE AN X-4 ON MY TROLLING MOTOR AND A CUDA 168 ON THE BACK . I STILL BUY A COUPLE OF CACES OF CATSUP PER YEAR .