An awesome org-mode tutorial.
I use org-mode daily, and just love it. I use it to keep track of what I need to do, to keep track of information about projects that I'm working on, to put data into tables, and to write documents that I'll later turn into LaTeX. I know that I'm just barely scaping the surface of org-mode, and look forward to learning more about it and integrating it into my work flow more.