All the videos for this popular conference are online or will be soon (48 of them). Take a look at the recorded sessions at http://sqlbits.com/content/Event9.  All are free to watch!  The one’s on my list to watch (because I’m interested in SQL Server 2012/Data Warehouse/SSAS):

• Basic BISM
• Handling Advanced Data Warehouse Scenarios in SSIS
• Master Data Services in SQL Server Denali
• SQL Server Denali-Always On Deep Dive
• The Art of War-Fast Track Data Warehouse & Fragmentation
• Vertipaq vs OLAP: Change Your Data Modeling Approach
• Whats New in Denali-DB engine and client tools
• Whats new in Denali-TSQL