I made a decision. I'm moving the site to Craft CMS.
It's pretty much ready to go. I just have to work on a few details, like the site pagination and getting it deployed to a web server. Overall, it's been much less effort than I thought it would be and I'll have some posts ready about that once the new site is up.
It won't be a major redesign. Mainly changing the platform that's running it on the server.
I plan to get it launched in the next 2-3 weeks, but by end of the year for sure.
I do not plan on converting over old content because much of it honestly isn't relevant any more. You can always likely access it at the internet archive.