Lumdas

Hello Rabbi, I studied for several years in high yeshivot of the Tzaneh, and I am familiar with the method of study in religious yeshivots that are characterized by a great deal of preoccupation with the Rishonim and relatively little with the Acharonim, and I was not properly guided in the study of the Acharonim except for some Rabbi Chaim or Rabbi Shimon here and there, but not beyond that.
How does the rabbi recommend starting to study the Achromit? What are the different schools of thought among them and how does this manifest itself?