Good to see another fan of God Emperor as well. For the original series, my order goes like this.
6. Chapterhouse: Dune
5. Dune
4. Dune Messiah
3.Children of Dune
2. God Emperor of Dune
1. Heretics of Dune

I read all the Dune books before seeing the movie. I would never recommend Lynch's Dune to anyone. I've known people who have read the book, but haven't seen the movie. Most people I know who've seen the movie just get a bad taste in their mouths and until I tell them that the book is better and that the movie wasn't…