Uncensored2008
Libertarian Radical
I think you misunderstood Kevin's post. He's saying that NON-libertarians see Cato as the most respected libertarian think tank. REAL libertarians recognize that it's just another establishment tool to manipulate the libertarian cause.
Cato has mainstream appeal and respect. There are fringe elements in the Libertarian movement that fear legitimacy, since they realize that they are whackjobs and mainstream success means they will be relegated to the back of the bus.
Cato and American Thinker have done more to advance the cause of Libertarian thought and acceptance than any other groups I know of.