walkman - 9:24 pm on Jul 5, 2011 (gmt 0)
wiseapple, IMO, article sites have an even more uphill battle since Google is clearly after them and articles can be better 'read' by Google. If you are going to split the site, maybe put Top articles in one subdomain, so-so ones in another and the rest in another. At least you have a better chance to get a partial recovery.
That said, like Tester and dataguy pointed out, nothing seems to work. They are several guesses as to why