wptutor.com

All of the tutorials for the “Management” menu have been finished. These are all the management videos, including the ones from the last update.

Manage - covers all the management pages

Categories - manages the categories for posts
Export - allows all blog stuff to be exported
Files - manages wordpress core files and plugin files
Import - [...]

Here is a listing of some of the new tutorials that are ready for consumption. Expect them to change a little in format, but the content will remain pretty constant for a while.
The Post Management Tutorial covers exactly what it says and gives a rundown of all the stuff found on the post management admin [...]