Here the basic info on exchange 2010 to get the BITS go Here
Microsoft Exchange 2010 helps you achieve new levels of reliability and performance by delivering features that simplify your administration, protect your communications, and delight your users by meeting their demands for greater business mobility. With new deployment and storage options, enhanced inbox management capabilities and e-mail archiving built-in, Exchange 2010 helps you lower costs and enhance business outcomes.
Flexible and Reliable
With Exchange, choose from on-premises deployment with Exchange Server 2010, a Microsoft hosted service with Exchange Online, or a seamless mix of both. Microsoft's commitment to Software plus Services ensures you can decide on your timeline for taking advantage of the flexibility and power of both without interrupting or changing your users' experience.
Exchange 2010 offers a simplified approach to high availability and disaster recovery coupled with enhanced maintenance tools to help you achieve new levels of reliability to deliver business continuity. Building on previous investments in Continuous Replication technologies in Exchange 2007, these investments:
Lowering the burden on your help desk and yourself is a key way in which you can accomplish more and reduce costs.
Enhancements in the latest release of Exchange provide your users access to all of their communications from a single location while making it easier for them to collaborate with each other and their business partners.
With Exchange 2010, you can replace your traditional voice mail system with a unified solution integrated into the core of your communications platform. This new system will enable your users to receive their voice mail messages right in their inboxes, and manage those voice mail messages just as they do e-mail, with familiar tools like Outlook and Outlook Web Access.
Protection and Compliance
Exchange 2010 delivers new, integrated e-mail archiving functionality–including granular multi-mailbox search, item-level retention policies and instant legal hold–making it easier to address compliance and discovery issues. Administrators get centralized control of all archives while users get direct access to their archived mail, including a familiar archive experience that does not disrupt the way they manage their inboxes every day.
Exchange 2010 also expands Information Protection and Control support, making it easier to encrypt, moderate and block sensitive or inappropriate e-mail based on specific sender, receiver and content attributes.
To get the Beta go Here