Hi KN.
I have both these books(I had a kn6000 when I bought the first one) and the video for KN7000 and I personally consider them to be invaluable in the quest to conquer the inner workings of the KN's. They are a virtual walk through, step by step instruction book. I think that the one for the KN7000 + video was done and offered by Technote, because of the success of Alecs' book for the kn6000,sold through Walt Tenay. My advice would be: if you haven't got them, then you are certainly missing out. Alec did also produce an update on disk of certain features specially for the KN7. Oh,in answer to your question, Yes! I would say you needed them both.
Regards
Peter B
[This message has been edited by peter.bentley@talk21.com (edited 11-28-2005).]