[pyeng]

You might want to add a demo / features page, that allows you to try the thing out, look at the main features, without having to login with Facebook.

Because I can tell you this now: No one in this crowd (tech/geek) will login with Facebook.

[fuzzywalrus]

Exactly my first thought, I immediately bailed at the FaceBook login. Perhaps accounts outside of Facebook?

[matthieu-b]

I quickly created a signup/login form, you should be able to try now