This is one of my favorite threads!
I recovered my dash like 1978chevybigten mentioned on the second page. Cost $37 for the fabric and glue.
I haven't done this yet but I saw it in another thread. This place:
http://www.automotivetouchup.com/ sells "touchup paint" in aerosol spray cans. They color match the factory paint that is on your truck. It seems like it would be great for smaller areas like rocker panels after rust repair. The basecoat cans are $20 and the clear cans are $8.