I´m planning to begin soon the QBanks, however I have heard that USMLE world, Kaplan, or NBME could be good choices. Wich would be the best?

It depends on how well you plan to prepare and how high to plan to score. If your aspirations are like mine > 270. Then you use Usmle world and Kaplan qbank while you study and then use the NBMES and the UWSA to assess your preparedness close to your exam.. Cheers