First things first realize that you will think u did bad coming out of the test (almost every person i spoke to after the test agreed- so try not to worry).
1) LEAN- class notes, dissector, know your relationships, know your BONES!
2) Pharm- I used First Aid, but I felt most of what i knew was from what i remembered from class (and suffixes!)
3) Microbio- The immuno wasnt horrible, not at all like some of the textbooks ive seen (and studied with), first aid should be more than enough. Infectious dz first aid i thought did a great job of covering the major major points- you should spend some time on this
4) Biochem- Know your major enzymes (I believe first aid has a list, just know those and what comes about when they take action- big picture)
5) Anatomy- Personally I thought this was the hardest part of the test, there wasnt a boat load of questions as you can probably see in the breakdown but it seemed like some of it was random
6) I was really dissapointed and thought pathology wasnt a major point, but test changes from year to year so who knows- maybe find some reviews
I started after 1st week in May, went over everything at least once by late June, and last 2 weeks before boards were rapid reviews (like 2 days per subject). Do not start too early you will burn out. If you want to start going over things now you can but dont drive yourself crazy, keep it simple and stupid