Here you'll find direct links to downloads and KBs explaining the WSS and SharePoint Server 2007 SP1, the WSS and SharePoint Server SDK Refresh and also the Office Client Suite 2007 SP1. Enjoy!
WSS and SharePoint Server SP1
- WSS 3.0 SP1
- MOSS/SharePoint 2007 SP1
- KB936984: Description of the 2007 Microsoft Office Servers Service Pack 1
- KB942390: MOSS SP 1 Fixlist KB
- KB936984: MOSS SP 1 Description KB
- KB942388: WSS SP 1 Fixlist KB
- KB936988: WSS SP 1 Description KB
- KB945013: How to Deploy SP 1 KB
More information about the SharePoint SP1 can be found at Announcing the Release of WSS 3.0 SP1 and Office SharePoint Server 2007 SP1 (the SharePoint team blog).
WSS and SharePoint Server SDK Refresh
- Windows SharePoint Services 3.0 SDK (December 2007 Refresh)
- Office SharePoint Server 2007 SDK (December 2007 Refresh)
Read more about the details of the update at SharePoint SDKs (and Other Documentation Resources) Now Updated for SP1.