I am less than a week away from my test..here's where I stand with the tests:

Examcentral-used this for each chapter-scored between 70s-90s. 

Brainbok ITTO quizes- 80-90s

Lehman 175 mid 70s

Headfirst:  80s

PM Study- exam 1 76%, exam 2:72

Transcenders exams 1-3 all in the high 70s.

PMZilla free test 70s

I plan on reviewing the concepts this week and finishing 3 tests (rest of PM study, and the last one from transcender).  I took two days prior to the test off to study.