HTML5 includes many new features to make web forms a lot easier to write, and a lot more powerful and consistent across the Web. This article gives a brief overview of some of the new form controls and functionalities that have been introduced.
http://dev.opera.com/articles/view/new-form-features-in-html5/
View the examples and learn how to use web standards such as HTML5, CSS3, and JavaScript to deliver rich experiences in your website.
http://developer.apple.com/safaridemos/
#grid is a layout grid that inserts into your webpages. You can toggle between displaying it in the foreground and background. Looks like a handy tool when designing in the browser.
http://hashgrid.com/
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