What worked for me:

1) PMBOK -> know it cold!!!! As for the ITTOs -> what I did was memorize the unique ITTOs (when to perform quality audits, when is scope baseline an output, etc.)

2) PMPerfect Question Bank

3) Rita's book -> only thing that I read from that book were those theories (X,Y, etc.) 

If you have any questions regarding the exam, please leave a message on the board w/ your contact info and I will e-mail you.