... about whether you should omit curly braces around your if block, if there's only one statement.
Just go ahead and add them in.
Read Adam Langley's analysis about the issue here: https://www.imperialviolet.org/2014/02/22/applebug.html
We intend to make Creative Cloud as widely available as possible. Adobe will share more details about country availability over time.
I like the Flex testdrive page that they put up as well.
As you can see, there are lots of great new features and enhancements in Flex 4 and Flash Builder 4 - too many, in fact to list here. We recommend that you read the "What's New in Flash Builder 4?", "What's New in Flex 4?", and "Introduction to Spark" articles, as well as check out the rest of the new content published on the Adobe Developer Connection site to learn more. Additionally, you can watch David Wadhwani, Vice President and General Manager of the Flash Platform Business Unit describe the new set of products being added to the Flex product family.