Take a look at the FAQ section of this forum for additional help: (Start Here) Frequently Asked Questions
And remember that a lot of people who would help out with documentation are currently holding back as v5.1 is very near. v5.1 will bring a lot of updates to the user interface which means documenting v5 does not really make much sense at this point in time.
(Even some of my FAQ tutorials are already made for v5.1. These sections are however clearly marked so you should be good to go.)