New version of Exchange server named as Exchange 2013 Server. The preview version is available to download from below link.
Few of the new features
1. Only two server roles ( Mailbox role and Client Access role)
2. No Exchange Management Cosole ( EMC), instead of new web admin console called Exchange Administration center.
3. Required Windows 2008 Server R2 SP1 or Windows 2012 server edition to install new Exchagne server
For more reading check the below link
Any one has installed windows 2012 server (RC)version ? If not it’s available here in below link, both VHD as well as ISO version is available. I have downloaded VHD version and playing around it.
There are jump start videos available here in below link to describe more about the features set,
Watch them and start learning the new server product.