Thanks to everyone who attended! Sorry we didn’t get through everything but we got lots of great questions!
Reactive Extensions Quickstart: Slides | Code
The code includes both before and after copies of the demo application.
Rx Project home (downloads on the lower right): http://msdn.microsoft.com/en-us/devlabs/ee794896.aspx
Hands on lab: http://blogs.msdn.com/b/rxteam/archive/2010/07/15/rx-hands-on-labs-published.aspx
Rx Wiki: http://rxwiki.wikidot.com/