The Service Pack 2 for MOSS 2007, WSS 3.0 and Office 2007 will release on the 28th of April 2009. This announcements was made on the Office team blog, along with an introduction to some of the fixes / features added.

My top improvements are:

• Support ODF 1.1 in Office 2007 (for read and save as)
• Added 'Save as PDF' in Office 2007 (so no need to download a add-in anymore)
• Improvements to Forms-based authentication via WSS
• Support for a broader range of Web browsers

Abstract:

How to add categories to a Sharepoint 2010 Foundation Wiki

Microsoft released the SP1 for Sharepoint 2010 and Office 2010 today. It included all previous hotfixes, but it is more than just a bug fix. It includes some new features and functionality for SharePoint, for example:

• A Site Recycle Bin – Recover accidentally deleted SharePoint Sites and Site Collections.
• Shallow Copy – The ability to move site collections containing Remote Blob Storage (RBS) elements from one content database to another without having to physically move the RBS Blobs.
• StorMan.aspx – The return of a Storage Allocation page where you can see how much storage is being used by major portions of your farm.

You can find the download links to the all the Office related service packs, including SharePoint here and if you only need the link to the service pack download you can use this here.