I used the PDG flashcards and PDG Choice to get the top PFE score in my career field for both Tech AND Master. I tell everyone to go McMillan all the way!
These programs definitely work, as long as you put the time and effort into your study regimen. I made TSgt first time by almost 40 points! (PDG Advisor and CDC Advisor)
I really count on and enjoy your products because they are tailored to how I study and they help me retain the information better. (Master Your CDC)