Online dating is one of the many wonders of the internet. I have partaken in it myself, and it works. I have met many great people on the site that ended up being good friends, and also met a long term girlfriend on it.
Eharmony.com
VictoriaHearts.com
Zoosk.com
Match.com
Okcupid.com
MeetMe.com
ChinaLove.com
Dating.com
RussianBrides.com
ArabianDate.com
AnastasiaDate.com
AmoLatina.com