They ask tons of questions, so they have interesting compatability rankings to see if the girl is a "friend" or "enemy." It's pretty innovative so the site is worth checking out.
Free Dating Probably one of the best free online dating guides on the Internet that reviews and ranks all of the top dating rooms.
You'll also find a great selection of dating articles and advice along with the ability to do a free search of singles in your area.
Sign up to one of the dating rooms through Free Dating and you'll receive various membership bonuses at the dating room.
You can join with your email address or with your Facebook login and browse the thousands of single ladies located in your area. They also have a blog about ways to use the dating site, and a recent post on what types of profile pictures work best is a great example of how they offer real advice based on actual usage by real people.
Of course, they have upgrade options as well, but the free site if pretty solid.
This first post discusses how to handle your first message.
What to Say in Your First Message OK Cupid has a great blog with tips and insight into how to use online dating sites.
One recommendation - set up a separate email account where you're not worried about getting spam.