If you care to get your first feed, contact these people. 
tim@i1.net:  All groups
private top50 site: Only the Big 8 (Fill out the form and your contact info
                             will be sent to the contact)
eric@tcst.com: Almost all groups, Texas Groups, bionet, vmsnet
admin@redshift.com: All groups: Willing to peer, need a LARGE site, 11,000+
    groups.
private top50 site: Most groups.  Wants to feed other top sites. (Fill out the
                             form and your conatct info will be sent)
### end of public list