Yes, SCAM area is good idea but Im thinking more about scam area for services, websites, hosts etc. , - look at this forum - http://www.forum.lockerz.com.pl (one of the biggest Polish forums about making money in internet), you can see there this type of of "SCAM area" - http://www.forum.lockerz.com.pl/forum/218-scam/ .

SCAM AREA for "members", hmm , it will not work for sure ..