The sessions from teched na 2011 is now up online so the weekend is saved.
They can all be found here http://channel9.msdn.com/Events/TechEd/NorthAmerica/2011
And as a service for you the Lync sessions are all found below in this post.
Pop some popcorns and fire up the projector happy watching…
Microsoft Lync 2010: Setup,Deployment,Upgrade and Coexistence Scenarios
Microsoft Lync 2010: Winning in Voice and Video
Monitoring Microsoft Lync 2010 Deployments
Troubleshooting Microsoft Lync Server 2010
Microsoft Lync 2010: High Availability and Resiliency
Setting Up and Deploying Microsoft Lync Server 2010 Edge Servers
Microsoft Lync 2010: In the Cloud
Microsoft Lync Server Unified Communications Managed API: Writing Advanced SIP Applications
Four Ways to Leverage the Microsoft Lync 2010 Client APIs in Your Applications
Windows Phone: What’s New?
Day 4 sessions are now online
Microsoft Lync 2010: Audio, Video and Web Conferencing Architecture and Experience
Microsoft Lync 2010 and the Enterprise Network
Microsoft Lync 2010: Core Voice Planning and Deployment
Microsoft Lync 2010: Interoperability, Integration with Competition or Legacy
Microsoft Lync Server 2010: Administering Lync Server Deployment
Top 10 Insights on Development of Microsoft Exchange Server and Microsoft Lync Server 2010 against Microsoft Office 365