My school has free sub to Exam Master online. There are about 8000 questions covering step II topics. Wanted to know if anyone has found this useful? I'm planning on B&W and USMLE world for the real studying in Febuary, but am looking for a primer to occupy my time. So basically are these questions a good primer? I know I should be sleeping, it is 4th year, but I can't help it, I'm bored already. Thanks!