Here are some links mentioned on the show to check out:

LightSwitch Developer Center: http://msdn.com/lightswitch (you can find everything here)

LightSwitch Team Blog: http://blogs.msdn.com/lightswitch

LightSwitch Forums: http://social.msdn.microsoft.com/Forums/en-us/lightswitchgeneral/threads

LightSwitch How Do I videos: http://msdn.microsoft.com/en-us/lightswitch/ff938857.aspx

Channel 9: Visual Studio LightSwitch - Beyond the Basics