Just a little heads up for all of you charging ahead on your (forced) upgrade path.
Blackberry and Outlook 2010 do not play nicely. If you’re using a Blackberry with the desktop manager software along with Outlook – upgrading to 2010 will break that setup. According to blackberry it’s a known issue but they have no resolution date as of yet. More info…
OS X Snow Leopard now has Exchange support. But only Exchange 2007 – so plan on an Exchange server upgrade if you want to make use of that functionality.