Chris, we didn't do that due to the length of some of our poles and the potentional of whacking them on trees and such in our neighborhood. We did however, make a "fishing cart" [box] with rod holders on the side. On the opposing side, we placed two triangular pieces of wood, sort of like kick stands, so that the cart would lay at a 45-ish degree angle in the truck bed, and the rods would as well. It was sort of like a rocket launcher for the bed. You can also use the box itself to store your gear.
If it's something you're willing to design and make, it definitely worth it.