I have added a download section to the site. In it I will generally be placing binary distributions of various open-source packages that I build personally (usually because the standard distributions aren't as current as I would otherwise like.
I have added OpenID support to the site.
It is a cool technology that allows people to make use of "registered function" without having to register - because they already have somewhere else, for example: LiveJournal. Which in the case of my site means that any comments you post don't need to be anonymous (marked as "not verified").
However, now that I do have one I have come up with all sorts of other reasons: