First, does any know where one can get one to replace the standard roof? SOR wants over 2K for a new standard one (dumb choice). Second, I presume the original hitops were steel, but maybe fiberglass? Third, does anyone make either standard or "bubble" fiberglass roof replacements? Fourth, is there a more common or technically correct term for these? Finally, anyone got a parts vehicle with an intact hitop on the East coast? Bonus question: What models (be specific) were these high roof versions available?