Thanks everyone who has responded here; this is some helpful info. I did some recon at Bass Pro last night and these newer units blow me away. I was thrilled to see the touch screen feature and to better understand how to connect the bow and console units. As I understand it, I need HDS Gen 2 or up for touch screen. I am thinking HDS 7 at console and either another 7 or the next size screen up at the bow as well. One question I have is the transducer mounting/sharing. The Structure Scan td will be mounted on the back of my boat, but the bow unit will use it as well correct? I read something on another forum about the structure scan td and the other td being mounted near each other. I definitely want my bow unit to be mounted to my Trolling Motor. I am assuming this is all possible and how most people are doing it?

CrappiePappy, I am going to find the thread you mentioned and read all 86 pages.