aristotle - 8:55 pm on Jun 16, 2012 (gmt 0)
Panda was reportedly aimed at "content farms" and sites with similar characteristics to content farms. These characteristics might include shallow content, multiple pages with similar content, sometimes targeting minor variations of the same keyword.
On the other hand, articles can sometimes support other pages, such as eCommerse pages, by helping to define what the site is about.
How many separate articles does your site have, and what proportion of the total number of pages does this represent?