from FCMUSICA website:

"No total são cerca de 500 ritmos novos , entre eles um novo pacote de AUDIO FACTORY STYLES e uma enorme biblioteca de ritmos provindos de anteriores modelos , SD , X e MS."


translated:
In total, are about 500 new rhythms, within them a new package of AUDIO FACTORY STYLES, and a huge library of rhythms from the SD, X, and MS models.


Frank, AJ, or anyone, can you confirm and/or elaborate ???
500 brand new (additional)? 500 tweaked?