We have free eclinics available as well as a Developers Workshop available. There are various partners offering training but you’ll need to check for what’s available in your region. SQL Server 2008 R2 Training Kit available here.
There are lots of SQL Saturday events which all have SQL Server 2008 R2 training, and best of all the SQL Saturday events are free.
You can also look at SQL PASS summit in Seattle. There will be a lot of SQL Server 2008 R2 sessions there. Also check out the Connections conference in Vegas.