I just finished overhauling the website. It doesn't look that much different, although there are subtle changes to the theme and nearly all the pages. The underlying guts are substantially changed.
There are some changes you may notice.
1. Support for antique, non-css compliant versions of internet explorer is gone.
It hadn't worked right for a while anyway.
2. Books is renamed to "In Print".
3. Buy Books is renamed to "Buy".
4. The Bookshelf and Press Info pages are gone
Nobody was hitting them.
5. Downloads is renamed to "Download"