Great place to start. While it will be harder to find like-minded geeky people, you can score a lucky match simply due to the huge user base of such dating portals. Are you prepared to shun good looks for reliability and utility?
Sure, some of the other dating websites listed below only have geek users seeking for geeky singles, but they have a significantly smaller amount of users overall. Let's shed some light on the subject for anyone who's interested in dating nerdy and geeky singles. Which leads me to point 2… The belief that no one else will understand them. The large user base makes it a site for people with different areas of interest.