For those of you that have TechNet Plus subscriptions, you’ll notice that Exchange Server 2010 is now in the subscriber download area.  If you haven’t looked at some of the new capabilities, here’s an overview of some of the top features.

• Reduced deployment cost - Exchange Server 2010 helps you reduce costs by addressing common infrastructure requirements such as backup, e-mail archiving, mobile e-mail access, and voice mail with no need for third-party tools.
• Simplified high availability and disaster recovery - Exchange Server 2010 introduces a simplified approach to high availability and disaster recovery to help you achieve new levels of reliability and reduce the complexity of delivering business continuity.
• Easier administration and decreased dependence on the help desk - Exchange Server 2010 provides new self-service capabilities to help users perform common tasks without calling the help desk.
• Greater mobility and flexible access - Exchange Server 2010 offers an enhanced universal inbox experience, which provides your users with access to all of their business communications from a single location.
• Decreased inbox overload and increased productivity - Exchange Server 2010 adds new productivity features which help your users organize and prioritize the communications in their inboxes efficiently.
• Transformed voice mail - With Exchange Server 2010, users can receive their voice mail messages in their inbox with text preview.
• Simplified compliance - Exchange Server 2010 delivers new integrated archiving functionality to help simplify compliance and discovery.
• Safeguards for sensitive information - With centrally managed and enforced information protection and control capabilities, Exchange Server 2010 makes it easy to encrypt, control, and moderate your company's communications.
• Reduced risk of malware and spam - Exchange Server 2010 actively helps protect your communications through built-in defenses against junk e-mail and support for an array of third party security products.

More information at http://www.microsoft.com/exchange/2010/en/us/default.aspx and http://technet.microsoft.com/en-us/exchange/2010/default.aspx.