Blacksheep,
I have one better for you. Lets take all these guys, toss in the Virus/Trojan/Worm writers too, and put them all on the same island. We cut them off from the Internet that the rest of the world has, we give them their own Island Internet. (Give each of them a computer.) Let them all have at it till they knock themselves out.
Take Care,
Richard
P.S. Thinking about it a little more, lets drop all the spammers in that island too.