Intro with Sign Up Form

What are you most proud of, and what would you do differently next time?

Add a handler for form submission, like a thank you message.

What challenges did you encounter, and how did you overcome them?

What method to use for form validation, ended up using the jQuery plugin. Pretty easy to implement.

What specific areas of your project would you like help with?

Any tips or tricks will be helpful. Especially best practice for form validation and form submission.