HMMMMM, now that is an interesting concept. I had my truck done 5 years ago. That stuff is great. I've hauled everything from drywall, to concrete to dirt. I can toss a chunk of concrete in with out worrying about screwing up the bed.
I know a guy that is starting up a shop that sprays the stuff. He said that the only draw back that he can see after all the company demos, is that the stuff that is colored to match your truck will fade over time. I've got the black so I wouldn't know.