The Economist. Subscribe to it and actually read the articles! I heard that they take out passages out of some of the really old subscriptions. If you read the articles from it, you'll definitely see the similarity with the LSAT passages!
I would like to join you too Nicolena. I am basically on the same page as you and am planning on taking PT 40- to the most recent. Let me know for more info misheikh91@gmail.com/ or 631-827-3746 if you'd like to text.