I've got enough pressure treated wood in the truck already. ;) I was thinking of using the Dodge ram tailgate cap idea if they got much worse. Right now there really isn't much steel there, the spray-on bedliner is holding the rockers together. :roll:
and yes, sinnaevd hit the nail. Where there's salt, there's rot. It's inescapable and I'd rather not put a ton of effort into an unwindable battle with the rust.