This article in 2004 rated three dances one of which was Ceroc:

                                        Romance                Fitness                      Accessibility        Total

Ballroom                                5/10                      7/10                        10/10                22/30

Salsa                                      8/10                     9/10                          1/10                18/30

Ceroc                                    10/10                    8/10                         10/10                28/10

Of course we endorse any survey where we come first!