Microsoft has released few training videos for getting to know Lync Server 2010, in the usual webcast model. More @ source

Microsoft Lync Training

Introducing Microsoft Lync

See the latest enhancements in online communication with Microsoft Lync! With Instant Messaging, to Voice and Video conversations, and even Online Meetings, Lync offers flexible communication options from a single, streamlined user interface.

--> The rest is on the blog :

http://www.howexchangeworks.com/2011/02/lync-training-videos-available.html