Since others may be interested, here are the two places I shared with
Al in email.
<http://gmane.org/> has a bunch of mailing lists represented in usenet
form. Lots of good stuff there. However, it isn't exactly a
replacement for usenet because it looks like they aren't hosting the
main usenet newsgroups, just mailing lists in usenet form.
<http://www.eternal-september.org/> is a free and open usenet server.
"The Direct3D Graphics Pipeline" free book
The Computer Graphics Museum <http://ComputerGraphicsMuseum.org>
The Terminals Wiki <http://terminals.classiccmp.org>
Legalize Adulthood! (my blog) <http://LegalizeAdulthood.wordpress.com>