We have a body in Jersey called the Channel Island Information Security Forum, and for the last three years we've run lunchtime tutorial sessions in the spring. A group of us meet up on Fridays for an hour, someone talks through part of a domain, and the idea is that you can then more easily navigate the material. I found that having someone effectively put down one overarching statement to key everything else to was really helpful.
I went through the first year and took my exam; having passed I came back as one of the tutors for the second and third courses.
I admit to making a big mistake: I bought the Jolly Green Giant (the official guide to the CISSP CBK, 4th edition). It's a fine reference book, but it is emphatically not a study guide. To work through it I took five days off work (one at a time), sat and made notes. For the last four days before the exam I used the late Shon Harris's revision tests.
Doesn't work for everyone - but it does give you a bit of variety in learning styles, which helps.
