Lavalife is probably one of the best sites out there because they advertise in local papers. It gets more profiles generated. The trouble is the odds of you actually liking someone in person is 1 in 100?

Use lavalife if you just moved to a new city otherwise hang out with your friends. Networking with real people is the best way to go. If your in college volunteer on student council (social committies}. You can also get free beer and food this way.

Plentyoffish.com is free!