So your enterprise users love Outlook, but you have a CIO mandate to move away from Exchange what to do?
No worries, Google’s looking out for you. Via the Google Enterprise Blog http://bit.ly/K7R4R, Google Apps Sync with Outlook was announced. Essentially end users can keep their traditional experience with Outlook and transition to GMail app as their comfort level rises.
Along with the BES Connector for Google Apps, Google is really looking to take mind share and market share in the enterprise.