Well, I figure I will add my 2 cents. I am new here but I've been fishing a long time in Lake Superior. Downriggers are a must in LS. I have fished Lake Michigan in the past few years and most fish are caught off lead lines and dipsy divers. We did catch a few off the downriggers when the water temps increased. In my opinion and from personal exp, dont buy downriggers like digi troll 4 on craigslist. I just got burned buying two Digi troll 4's. The add said used very little and in great shape. When I got them, one didnt even power up and the other had a damaged screen and keypad, I got somehat of a refund but sent the downriggers into cannon and just paid the 1200$ bill. Beware buying online. If you are not familar with downriggers, buy a couple cheap manuals to start. I have 2 manuals and later I bought 2 electric. Now I have the digi 4 uits that are programable. You wont be disappointed. Make sure you buy riggers w/a strong boom to handle 10-12lb weights. They are much better then 8lbers. Jim