Microsoft released the first service pack for Office 2011 for Mac. There's not a host of noticeable changes, most of the work is under the hood a few security holes sewn up etc. Here's my initial pass focussing on Outlook.
Key points of interest from a tailored UC session at Cisco Bedfont Lakes.
Service Packs on Microsoft operating systems can cause as much havoc as they can resolve, just be cautious and don't rush to install them straight away.
Using a pst with Outlook 2011 for mac has pitfalls, there are ways of doing it, but it's a little bumpier than I'd like.
Exchange 2007 SP2 Cluster upgrade procedure