I have the wp-super-cache plugin installed and working (for the most part). The plugin adds the information at the bottom of the source such as :
<!-- Dynamic page generated in 1.597 seconds. -->
<!-- Cached page generated by WP-Super-Cache on 2011-05-14 22:44:25 -->
<!-- Compression = gzip -->
But the only file actually being saved and served again is the home page. Inside the supercache directory I see the index.html and index.html.gz which work ok. I also see directories corresponding to pages and posts, such as /about/. But there are no .html or .html.gz files in any of these directories.
I have checked to make sure these directories are writable by the webserver.