Which blacklists work best?

Borgholio <[email protected]> Sun, 09 Oct 2005 18:38:23 -0700
Newsgroups gmane.mail.spam.spamcop.email
Organization SpamCop
Message-ID <[email protected]>
I'm toying around with the SC Email blacklists, trying to find which ones 
work the best.  Even with Spamassassin set at 1, I still get some spam 
slipping past the filter.  I don't want to go overkill and select every 
single BL available...or do I?