NZBs.org refugees looking for a new home might want to check out these other NZB sites that also run the Newznab auto-index software:
Also, feel free to add any more
http://www.nzb7.com/ <- Nice, fast, last NZB posted a few mins ago.
http://nzbweb.com/ <- Nice, fast, last NZB posted a few mins ago.
http://altbins.com/ <- Last NZB posted 24h ago.
http://index-usenet.info/www/ <- Last NZB posted 5 days ago.
It's also built into the NewsFlash Plus newsreader [@ http://www.ensisoft.com ]