SQL Server 2008 R2 RTM was officially launched:
Look at www.sqlserverlaunch.com for more details about the release of this new version of SQL Server.
A trial is already available on the downloads section:
More download information is available here:
If you want to start reading about what’s new, you need to start by here:
and you can download the Resource KIT using this link:
You can find a set of brief videos done by the Product Group about the new Key features, following this link: