Just got this in the email and I decided to share

The Microsoft SQL Sustained Engineering team is pleased to announce the availability of SQL Server 2008 R2 Service Pack 1 CTP. Both the Service Pack and Feature Pack updates are available for download on the Microsoft Download Center. Service Pack 1 for SQL Server 2008 R2 includes customer product feedback, fixes to key customer issues, and hotfix solutions provided in SQL Server 2008 R2 RTM Cumulative Update 1 to 6.

Key enhancements for customers in Microsoft SQL Server 2008 R2 Service Pack 1 are:
· Dynamic Management Views For Increased Supportability
· ForceSeek For Improved Querying Performance
· Data-tier Application Component Framework (DAC Fx) For Improved Database Upgrade
· Disk Space Control For PowerPivot

To download the SQL Server 2008 R2 SP1 release please select from the links below:
SQL Server 2008 R2 SP1

SQL Server 2008 R2 SP1 Express

SQL Server 2008 R2 SP1 Feature Packs