I'm not really a founder or an involved person, but has helped out on the project quite a bit. I'd be glad to give out an invite, but currently I do not have any more.
But Just in response, the nature of the limitations are to address real problems that exist in real dating sites at the moment. Also the social structure of the site is targeted more towards users who do not necessarily use such dating or social networking sites to find a mate, but to play it like a kind of social game.
It's definitely not for everyone, but it seems to be catching someones attention.
Regardless of that, they have a number of interesting pieces of technology in their site and groundbreaking ways to integrate them in useful ways. Whether or not the actual site is successful, it will be a point for many to learn about what a web service can be.