One more thing that works if you're in a bind...
Heat the racks up a bit (or soak them in hot water) and wad up a sheet of heavy duty aluminum foil. Scrape away with the foil, they do come out looking nice! It does take a bit bit of elbow grease though!
Here is a place also advertising the new 22" WSM for $350.35
Ron's Home And Hardware
350 East New York Street
Indianapolis, IN 46204
USA
1-888-607-RONS(7667)
http://www.ronshomeandhardware.com/22-1-2-Smoker-Cooker-p/105363.htm