I’ve recently started using Disqus for the handling of this blogs’ comments. Service has really nice features, including integration with Facebook Connect, which unfortunately seem to mess with your statistics if you are using StatCounter or Google Analytics (I’m using both).
There is a solution posted on the Disqus blog and I’ve got a tip for you if you are using WordPress, which will allow you to include the given xd_receiver.html on your blog only when necessary, to reduce the front page size.
If you are allowing your visitors to comment on your WordPress pages too, you might want to change the
Update: Disqus has launched an update and Facebook Connect caused messy statistics issue seem to reoccur. Here is another workaround.