The official USENIX page for the event is http://www.usenix.org/publications/library/proceedings/tcl2k/
References to several conference reports can be found at Cameron Laird's site: http://www.phaseit.net/claird/comp.lang.tcl/tcl_conference.html#2000
Michael McLennan wrote and hosted the game Who Wants to Be a Tcl Hacker: Quiz Game during one of the dinners.