Excellent technical video tutorials created by the QA and R&D staff presenting features of 3rdRail:

    Tour of the 3rdRail IDE:

http://dn.codegear.com/article/36985

    Creating a New Rails Project:

http://dn.codegear.com/article/37033

    Project Commander and Rails Console:

http://dn.codegear.com/article/37036

    Introduction to the Ruby Language:

http://dn.codegear.com/article/37087

    Introduction to the Ruby Console in 3rdRail:

http://dn.codegear.com/article/37088

    Using Code Completion:

http://dn.codegear.com/article/37034

    Using the Dependencies View:

http://dn.codegear.com/article/37035

    Refactoring a Rails Action:

http://dn.codegear.com/article/37037

    Release Notes (v1.01):

http://dn.codegear.com/article/36927

    Installation Notes (including v1.01 update):

http://dn.codegear.com/article/36926