Manhattan Speed Dating events

For all of my single friends. I came about across this website that presents NYC Speed Dating events in Manhattan and Long Island. The site looks pretty excellent and they seem extremely organized. They've all diverse age ranges and only do events on the weekends. Seems like most other organizations do these events during the week. The other issue that looked exciting is the fact that they need proof of age, so you essentially meet the folks in the ages that are advertised.