I'm about to embark on a journey.
Writing a programming language.
Fortunately my task is not as daunting as it sounds. I'm simply going to write a preprocessor for the D programming language that gives it a Python-like syntax. If you haven't heard, this will probably be pretty close to my ideal language, since I love D's features and Python's syntax.
My project is happening at github.com/pplantinga/delight so feel free to take a gander (once I've had a chance to work on it) and contribute if it's something you're interested in!