Today sp1 ships. hurray. It's not up there yet but should be later today. Also the kb articles for each patch don't seem to be live at this moment but should also appear later on today.
Looking down the list of fixes, here are some that caught my eye (read the whitepaper for the full list):
Here is the rest of the blurb:
What can you expect in Service Pack 1?
SP1 focuses on the issues that matter most to our customers based on direct customer feedback and error reporting tools. You can expect:
For a full list of improvements in SP1, download the Service Pack 1 whitepaper.
What does SP1 mean for you?
Service Pack 1 eliminates distractions and performance issues that disrupt workflow, allowing employees to be more productive in the work that they do. SP1 is also an important milestone for deploying the 2007 Office system, making it easy to deploy the most secure and reliable version of Office to date.
How do you get it?
Initially, SP1 will be available as a free download from OfficeOnline. SP1 will be made available via Automatic Update in the next 3-6 months, and we'll issue 30 day advance notice prior to delivering SP1 via automatic update.