"Gestalt is a library released by MIX Online Labs that allows you to write Ruby, Python & XAML code in your (X)HTML pages. It enables you to build richer and more powerful web applications by marrying the benefits of expressive languages, modern compilers, AJAX & RIAs with the write » save » refresh development model of the web."
Python on a web page! In Silverlight .. which means it is time to learn Mono and .Net and all that stuff.
Update: I did nothing to learn any of that stuff then one day I walked into the office and they said "oh, we need you to work on a C# project.. on a Windows box"