According to ftp://ftp.netbsd.org/pub/NetBSD/sup/README.sup,
there is a mirror-packages collection, but I get 

SUP 8.26 (4.3 BSD) for file 1.supfile at Dec 12 13:18:38
SUP Upgrade of mirror-packages at Fri Dec 12 13:18:40 1997
SUP Fileserver 8.13 (4.3 BSD) 22495 on netbsd.warped.com at 13:18:40
SUP: Invalid release packages for collection mirror
SUP: Upgrade of mirror-packages aborted at Dec 12 13:18:40 1997

What's up ?

-- 
Ronald Khoo <ronald@demon.net> Voice: +44 181 371 1000 Fax: +44 181 371 1150