My plan was quite hard, but I purchased one of the most intensive plans they had -- 24-hour Personal Best. It did get me exactly the results I wanted. I got mine from Coach Lynda Wallenfals -- I highly recommend her plans. She will answer questions about the plan, and helped me move things around for a business trip and when I caught a cold two weeks before my race.
I agree with blueskies -- look them over and download a two week preview and see if you can understand what you need to do.
For 3 days, I get to part of a thousand other journeys.