Honestly, I found that reading the E&E's for classes helped. I read Torts and Contracts over last summer. I don't necessarily recommend the PLS approach, which seems to suggest spending 8 hours a day reading garbage for weeks at a time before school, but just reading a chapter or two of a subject at night before going to bed, or whenever you get a chance during the day. You don't need to take notes, do an outline, or highlight anything - just read it.
When I was reading cases, or sitting in class, I would find that I could recognize certain concepts. Although I didn't remember all that I had read about those concepts, just knowing that I had seen them before and had a base understanding helped. I could then go back to the E&E and re-read the chapter on that subject to pull more info out of my cases or notes. In fact, a lot of the cases that the E&E's would discuss as examples were ones that we read for class, so I could gain some perspective on those specific cases from the E&E, as well.
I'm an evening student, so I only had Torts, Contracts and legal writing this past semester. I doubt you would have time to read the E&E for all subjects as a day student (they average 600-700 pages or so each).
I do stress that you shouldn't try and outline them or take notes while reading. Just read. You may not cover some of the material in your class. Alternately, you may cover material that is not in the E&E, as well.