In tha latest press release Jane Liles of MS announced SP2 release for Microsoft office 2007 which is available as separate download for everybody.

One of the important aspect of this update is the support for OpenDocument format in Word, Excel and PowerPoint 2007 i.e. to read and write  any document in the ODF format can be achieved without use of any third part plugins.Apart from this now we have save to PDF also rolled in.

Here are few more points :

• Users should notice the improved performance and stability of Outlook, better charting functionality in Excel, and more control over the appearance of SmartArt graphics.
• Outlook 2007 SP2 is 26 percent faster than its predecessor on a set of common e-mail tasks and is even faster, 35 percent, with larger mailboxes.
• Several enhancements to the security and performance of SharePoint Server 2007, including support for read-only content databases, improvements to forms-based authentication, and an STSADM command-line utility that enables administrators to scan sites that use the variations feature for errors. SharePoint Server will also feature better support for newer versions of the Firefox browser

You can start download the update sp2 file for Microsoft Office from here