Have you tried out the Express Editions yet? Developed an app that will win the "Summer of Express" contest yet? Here's a few videos to get you motivated this weekend to try out the Express Edition and get started. For more, visit Channel 9's Summer of Express Developer Center.

Rajesh George - Three new features in SQL Server Express.

Brian Goldfarb - Working with data in the Web Developer Express Edition.

Brian Keller - First things to try with J# Express.

Daniel Fernandez - What's cool in C# Express.