Also after a couple of paragraphs on your usage by page / filter or whatever, then also a list of most important to you top 10 features we have in descending order of importance.
For example..
My typical NN session:
login, hit photos page - sort by BJs most rated, look at the best 10, then go to forums, click active topics since last logged in - then read status and pms
10 most important features to me:
~Pic Viewing
~Pic comments
~Photo Comment Stream
~PMs
~Bookmarks
~Vids
~Friends
~forum
~notices
~Nudles