This is a big deal for making Macs enterprise friendly. Can't wait until next year!
AppleInsider | Apple previews Mac OS X Snow Leopard with QuickTime X
Mac OS X will include native support for Microsoft Exchange 2007 in OS X applications Mail, iCal and Address Book, making it even easier to integrate Macs into organizations of any size.
No word on when it ships but "Arstechnica":http://arstechnica.com/journals/apple.ars/2008/06/04/mac-os-x-10-6-code-named-snow-leopard-may-be-pure-cocoa claims that it might be as early as next January 2009.
