Service Pack 1 is on track for release at the end of June.

SP1 releases for both Office client suites and SharePoint server products will be made available. All language versions of SP1 will release simultaneously. Initially, Service Pack 1 will be offered as a manual download from the Download Center and from Microsoft Update, and no sooner than 90 days after release, will be made available as an Automatic Update.

Read more here:

http://blogs.technet.com/b/office_sustained_engineering/archive/2011/05/16/announcing-service-pack-1-for-office-2010-and-sharepoint-2010.aspx