Very nice for an IPS site... you are leveraging many of the features/functions that they offer.
You really need to adjust for your landing page if you aren't offering ads to dump that section
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One thing that I don't know if is because I'm not logged in.. your articles have no discussion displayed (or they don't exist yet perhaps?)
I personally would edit the landing page so it showed the most recent articles, and also the most recent forum postings.
Overall, a very nice implementation using IPS.