Tracker you weren't getting many responses so I will offer what little I can.

We used to use ours for smallmouth fishing. They are great for rockpiles. We are trollers for walleye most of the time now so we never use it. You pretty much have to be near stationary to get the best benefits. If you are a jig fisherman it could be useful.
What we do use allot that I never hear anyone on here talk about is our side imaging. When the eyes are boat shy and pushing out to the side we can see that and adjust our boards further out to compensate.