Almost done with the frame, which by the way looks like it just rolled off the assembly line, and next will be rebuilding the engine. The cab has rust through on the gutters, rusted out front door jams, some floor rust and steps that will have to be replaced. My question is do I try replacing the rusted out areas, I have a mig and tig welder but most of my welding is stainless steel, or look for a better cab? I have the time as this is a year or two long project.