I took a big step (for me) and ported the DNA Lounge blog to WordPress. Prior to this, it was a lovingly hand-crafted series of Perl scripts that generated static HTML files. (Except without the love.)
It's got some rough edges, but I think I managed to keep all of the URLs the same, and all of the pages looking the same as before. I know that navigation between pages is still a little screwed up, but let me know if you see any other weirdness.
The comment system is now the built-in WordPress comment system, instead of Disqus. I think I managed to import all of the old comments. Disqus was OK, but I prefer to not rely on third-party services when I can help it: in the long run it always ends up being more trouble than it was worth.