You are indeed no longer required to integrate other's responses to Orwell's essays, this includes that of other essayists or critics.
A personal response is how you reacted to the essays. In your response, you may need to explain what you learnt from reading Orwell's essays, and what your...
It's good to choose different text types for two main reasons and this applies for AoS as well
> More techniques to discuss in your essay ( eg. film = film techniques (camera shots, music), artwork = visual techniques (vectors, colour), poem = poetic techniques (rhyme, alliteration) etc.etc.)...
It's worthwhile finding out what Module (A, B or C) your school is doing, and what elective they are doing as well. For example, I know some schools are studying Crime Fiction in Module A - Genre ---ewwww I don't think I could handle an in-depth study on that.