Studied for 4 months using PM Prepcast, PMP Exam Prep Essentials ebook, and PMP Exam Simulator
I think the key to success was using the PMP Exam Simulator - when I took 2 simulated exams and scored more than 80% on each, I knew I was ready for the actual test.
Training for Project Management Professional (PMP)®, PMI Agile Certified Practitioner (PMI-ACP)®, and Certified Associate in Project Management (CAPM)®