Open Source Conference Talks Online

I noticed that some of the presentations from the 2002 O'Reilly Open Source
Conference are now available at:
http://conferences.oreillynet.com/pub/w/15/presentations.html

The following PostgreSQL presentations are available:

Building Journaling Databases With PostgreSQL
Speaker: Hans-Juergen Schoenig
http://conferences.oreillynet.com/presentations/os2002/schoenig_hans.ppt

PostgreSQL Concurrency Issues
Speaker: Tom Lane
http://conferences.oreillynet.com/presentations/os2002/lane_tom.tar.gz

PostgreSQL Database Replication Options
Speaker: Darren Johnson
http://conferences.oreillynet.com/presentations/os2002/johnson_darren.pdf

George Essig