From The Basics to Mastery, you can follow the checklist to make sure you’re on the right track and see where you sit in the grand scheme of organized things. We begin at

  1. I have read Getting Things Done from front to back. and end with
  2. Work–and life–is ecstasy, bliss, pure joy. But a clear favourite [that I’m looking forward to reaching] is Step 69. Well worth the read to see where you are at. The Basics section does well to prioritize the steps that will get hitting the ground running, very handy for those of us just starting out. The GTD Mastery 100 – [Duff @ Zaadz]
100 Steps to GTD Mastery - 18