I collected a bunch of links posted both to the HN thread as well as
to the mailing list so far, and made a google groups page out of it.
If anyone hasn't told the list yet that they're posting their answers,
add your url to the list at the bottom.
Click on http://groups.google.com/group/hacker-news-reads-sicp/web/resources
- or copy & paste it into your browser's address bar if that doesn't