spam blacklist - that'd do.
I was just thinking how annoying it'd be to have to waste time zapping the stuff.

Slightly related, but different, have you looked at the "TiddlyWiki" system? It's probably best described as a _personal_ wiki in ONE file. Very neat idea and would make a useful way to hold one's own song lyrics.
I've been playing with it for a while - quite seductive!
http://www.tiddlywiki.com/

chris :-)