The maximum size of databases supported by SQL Server 2008 R2 Express has been raised from 4 gigabytes to 10 gigabytes.
SQL Server Express continues to ship in four different editions, but several changes to the installation wizard to simply the installation process.
For more information about the installation process, see Installing SQL Server 2008 R2 Express.
To get the free download, see Get the SQL Server 2008 R2 Trial or use the Web Platform Installer.
Microsoft SQL Server 2008 R2 Express is a powerful and reliable data management system that delivers a rich set of features, data protection, and performance for embedded applications, lightweight Web Sites and applications, and local data stores.
SQL Server Express is designed for easy deployment and rapid prototyping. This edition is designed to integrate seamlessly with your other server infrastructure investments.
Closely integrated with Visual Studio and Visual Web Developer
Bruce D. Kyle ISV Architect Evangelist | Microsoft Corporation
What would we developers do without it? All of the Express products are an awesome gift from Microsoft to the developer community and long may they continue.
The extra 6 gigs will come in very handy too ;-)