I originally started studying for the series 24 with Test Teachers... After being frustrated with confusing material, out of date information, contradicting questions/answer/study guides, I bought Solomon's practice exams... After one test, two things became clear:
I just passed the Series 6. The Solomon Audio/CD set was essential for me as I spend 1.5 hours per day in my car, so that became my study time! Thank you for providing an audio/cd version! I have just ordered the Series 65 set as well.