I'm just getting started with WordPress. I was hoping someone who knows more about it would answer this question, because I want to do something similar with my journal. The solution I've settled on for now is two installations of WP: one for my entries and one for my semi-static pages. This seemed like the easiest way to get archives for just the entries as well as simpler permalinks for the semi-static pages. I haven't loaded much content yet but it seems like it will work nicely.