Hey Steve this is much better than chassis black mate.
http://solutions.3m.com/wps/portal/3...glQX28R3361Cbl
one of these will take a lot of pain out of it and useful before final buffing also.You can get a foam interface pad to use on the curved bits also.
http://solutions.3m.com/wps/portal/3...glXHVZ8N3977bl
any good auto paint suppliers in Aus will have them.