Thanks for posting these. They look very useful.  I finally got around to taking a look today.

I would like to make a suggestion for your site. I think it would be more useable if you had the topics list expanded on a separate menu or a sublevel in the current menu. It took me a couple of  minutes to find that the "topics" menu item was the main entry point into the categorized articles.

Of course now that I have the found the articles I will be back.