The most important announcement is SP1 which will be available in december.

Windows Server 2008 R2 will include Hyper-V 2.0 which will deliver a lot of improvements.

VMWare Unity gets some serious competition with Microsoft Enterprise Desktop Virtualization (MED-V),
This virtualization technolgy will be included in de MDOP suite. It's designed to make the migration to Vista easier. Any legacy application that won't r

I know, not really UC related, but I'm attending Tech-Ed this week with my colleagues and they asked me to blog about my experience. And since I'm more into Microsoft virtualization (App-V/Hyper-V) and Windows Mobile, that's what I'm going to blog about.