Roberta in Vitra would be a good idea because her sets to her wing spikers are always amazing - imagine having Roberta overloading on Boskovic like she does with Tandara
But her sets to the middle can be tragic sometimes. So no, until she learns how to set her middle properly, she should stay in Brazil.
Eczacibasi think that MB action not even exists, so Roberta and Ecz were born to be together