I would like to suggest that in all Litvak yeshivas even though the emphasis is on slow painstaking exact learning, still it is understood that in one's spare time he does get through Shas with Rashi and Tosphot. It is thought that no one has the right to any opinion in Torah thought until he has finished Shas at least once.
But that really is just the bare minimum. The actual idea of the Gra is to finish the two Talmuds and all the Midrashim, midrashei agada and midrashei halaka.
But add to that the idea of some of the Rishonim of the importance of Physics and Metaphysics, I would like to suggest these last two the the set that one ought to get through at least once. That is math up until Abstract Algebra, Algebraic Topology, Algebraic Geometry and Physics up until String Theory.
You can see this in the Gra himself who said what ever lack of knowledge one has in any of the seven wisdoms, to that degree he will lack in understanding of Torah a hundred times more. [Intro to translation of Euclid by Rav Baruch of Shkolov a disciple of the Gra.]
[The Metaphysics that the Rishonim are referring to is the set of books by Aristotle of that name. But also to the wider set of Plato and Plotinus. I would have to add Kant to that list.]
