After a lot of thought, I've switched this site over to Drupal. I really like WordPress, and I plan to continue designing for it, but for my purposes Drupal will be a better fit. While I could have matched the new site structure to the old one, I decided to restructure. My old site map had become a little conveluted and I took this opportunity to straighten it out. I'm using PathRedirect to ease the transition, and PathAuto make the new sitemap easier the maintain.
For those who might be interested, here's a few more details of revised site:
