Maybe I should try and put the articles in smaller categories just to make it look more clear.
The grey lines regarding the Meta at the bottom of the page seems to be a problem not that easily fixed. Maybe you have an idea what can be the problem there?
One more thing about the menu, to make sure that everybody get the most out of the menu I have made a "click-to-use" sort of menu. So that, when you click on "articles" in the menu instead of hovering over it, you will be directed to a page with a list of hyperlinks for the different articles.
What about the articles? Do they look fine?