@ManipUni: Monitoring is reactive, filtering content is proactive. I require a tool that does both.
I do not agree that letting your children go online unsupervised is bad parenting. I can't be around all the time, I can't prevent their every mistake. I can tell my son a hundred times the kettle is hot, he will still make the mistake sooner or later. I do not want my children to grow up in a cocoon where everything is telly tubby, fluffy bunny happy. Mistakes is what makes them learn. No mistakes, no pain, no gain.
And if they accidentally see pr0n they wouldnt understand anyway.