Who among us is using the junkbuster file?

Hi malware fighters,

Who is using the junkbuster file and for what reason and wherein?
http://pgl.yoyo.org/adservers/serverlist.php?hostformat=junkbuster

Aan alternative here: http://interglacial.com/~sburke/pub/adkiller_proxy.pac.txt

In stead I am happy with these three here: http://easylist.adblockplus.org/

polonus