I just installed IntenseDebate on this site. It is a comment management system that is far more flexible than what I had so far. Threading is implemented (without me having to fiddle with the code and making everything work with WordPress 2.7 comments) and RSS subscription is nicely implemented. Commenters (and comments) can also now be voted on. Pretty nice system. Apparently I am not the only one using it – Obama likes it, too.
So if you have something to say about any of my posts (or some of the pages), go right ahead and debate intensely!