"SWR" and Leadcore
Piece of Mono at 3 color Piece of Mono at 5 color Piece of Mono at 7 color
This way I can run all four variations with just two rods. It is convenient and cheaper
As you troll out deeper it is very simple to reel in board and then release a little more line and re-attach.
I really only fish the 3 color for browns though and the 5 color when in shallow. I probably will rarely mess around with 7 color anymore either because it almost never gets hit for me so I added a 300' copper rod to arsenal this year that will run opposite 10 color a lot of days once the sun is coming up.
I ran SWR for a long time and never notice any benefit to it.
I am not a great Salmon fishermen so I am sure this stuff works, my point being none of it is the magic rig that will work all the time or even most the time. As someone above said, variety is key.
Were getting way off topic from the original post, but thats what this is all about. In regards to the OP. I think you did well by spooling up that ten. Now the big choice is what to do with the other. Personally, Id go with a 5 and then add weight like Slosh suggested. I never liked pinching a board on lead mostly due to the sagging from boat to board like luckylou mentioned, but it can be done, especially if only running one board per side. Like Jason said, you are getting your best bang for your buck that way, and hes got WAY more knowlege on this stuff than I do. Good luck with whatever you decide to go with.