I found this interesting
After reading this thread I leave and goto news.com and see this
http://news.com.com/2100-1017-909440.html?tag=fd_top
now even ebay's gonna start throwing exit popup's
I feel that "one" exit popup ,console, blur ... thats well done is not "tricking" or "scamming" the surfer , but when you send someone to popup hell they just get pissed off and leave