Worth while keeping your feeds updated with info on  http://blogs.technet.com/systemcenter/archive/2008/02/23/system-center-operations-manager-2007-service-pack-1-sp1-now-available.aspx

The TechCenter is already in the process of updates related to the SP1 release (http://technet.microsoft.com/en-us/opsmgr/cc280350.aspx) with major pointers to key topics in the process of publication now through Monday.

So lookout for updates to the Deployment and Operations Guides and the release of the SP1 Management Packs (SP1 is versioned at 06.0.6278.0000 by the way)