Service Pack 1 (SP1) for Office 2007 has finally gone live. Download it here: http://www.microsoft.com/office/
If you use Microsoft Update, you should see it your list if updates soon if you haven’t already.
You’ll also find links there for MS Visio 2007 Service Pack 1 and MS Project 2007 Service Pack 1, if you’ve not done those already.
Details on what SP1 addresses and fixes, and any other related issues, are here: http://support.microsoft.com/kb/936982