While the Flex 2 style explorer isn’t new, it’s new to me as I begin my explorations into AIR. I found this app great for beginning to understand the difference between skinning and styling Flex components.
It’s also pretty cool because it allows you to export the new styles you have created. I found it a great way to work in Flex based CSS. Now, if only I could find a similar GUI app for working with existing HTML/XHTML based websites.