Check out the posts here from the Office Sustained Engineering blog. What I'm post excited about are the following:
For Office Desktop Programs:
· Improved Outlook Calendaring Reliability
· Improved Outlook Performance
· Improved cryptographic functionality by supporting all cryptographic algorithms offered by the operating system
· Tool that enables the uninstall of Office client Service Packs!!!!!!
According to the post, the private beta's staring soon, slobber, drool.......