E Harmony has their vaunted matching system as their main thing; expect to spend about 2 hours filling out their profile, and the reason is that their matches should match you better than other sites.
The one thing that makes Facebook less than idea for finding love is that you risk being seen as a weirdo if you do try to reach out to someone in a romantic way.
The great thing about Pink is the diversity of women.
Whether you're femme, butch, bi, trans, Christian, agnostic, professional, into dining out, running or discussing current affairs there's someone for everyone on Pink Sofa.
While there are sites out there that cater to virtually any style of encounter you may be looking for, most of us want something that can put us in touch with real people.
Facebook appearing on this list will probably raise a few eyebrows, but when you think about it a social media site like this is a perfect place to find someone to date.