Now that Exchange Server 2007 Beta 2 release date has been announced at Tech-Ed 2006, the Microsoft Exchange site has been loaded with Beta 2 information.
Exchange Server 2007 Beta 2 Product Overview
Exchange Server 2007 Beta 2 Features
Exchange Server 2007 Beta 2 Demos
Technorati : Beta 2, Exchange Server 2007, Microsoft, News
Del.icio.us : Beta 2, Exchange Server 2007, Microsoft, News