http://www.sptimes.com/Hillsborough/90698/Small_claims_usual...
"Only 8 percent of those winning plaintiffs collected, court records show. Officials say some plaintiffs might not have notified the court, so as a backup test, the Times contacted 39 winning plaintiffs. Eight -- 21 percent -- said they had been paid.
Court officials nationwide confirm that whatever the real number is, it's low.
"Most plaintiffs would be better off taking their money to the roulette tables in Biloxi, Miss., and placing it on red," said Jimmy Dye, a collections lawyer who works throughout Florida. "They'd certainly have more fun." "
Go on Judge Judy or something. The TV shows will actually pay you if you win.
It helps if you've received checks from the company previously and can give the bank account information to a sheriff to collect for you.
It may be of course that you have no legal recompense; however I'd exhaust all possibilities in that direction before sabotaging a site.
Perhaps what's needed is a "name and shame" list of deadbeat clients somewhere that developers can check before accepting work.