If you have kids, and you love your Mac
BabySafe. Pay the gentlemen. It's really the only safe way to put your laptop in the hands of the kid. It protects your data (although your screen is still a bit exposed).
And why you want to put the mac in the hands of your kid? Well, it's warfare. My wife prefers Windows, and I prefer UNIX and Mac in particular. So we have to win the kid when he's young.
