I don't like things like Chatroulette at all, you almost only see perverted people and the normal ones are very rare.. i don't want to see someone's thing :P although i have to admit i also found a friend on a chatsite, but that was a few years ago
there are also some funny movies about chatroulette like this:
http://www.dumpert.nl/mediabase/911541/0f295ed7/chatroulette_jochie.html
but this one is the best:
http://www.dumpert.nl/mediabase/884481/807e4fe0/chatroulette_pianist_is_terug.html