Hide and seek with important information
Ended up getting a brizzly invite and promptly got confused by the signup process. 
Yes, I am a lame chap but look at the screen shot below. I thought that I needed to provide only my invitation code and pick a user name since the email and password field were grayed out.
But on clicking the signup button, I got an error (see below):
Yes! I know it's not a valid e-mail address. But what kind of GUI takes focus away from a required field? Totally lame (and equally confusing).
