The following files are various talks and writeups from conferences.
VERTEX98 - Jim Fast's talk (LaTex or postscript and writeup (LaTex or postscript)
Hiroshima97 - George Brandenburg's talk (postscript) and writeup (postscript).
VERTEX97 - Pat Skubic's NIM writeup (LaTex or postscript)
IEEE96 - Jim Alexander's talk and proceedings (postscript)
VERTEX96 - Ian Shipsey's talk and writeup (postscript)
Hiroshima95 - Jim Alexander's talk (postscript) and writeup (postscript)