Last night I dump windows 7 and formatted my hard driver to port to a Linux based operating system, Purely for the reasons that I wanted to start working with Node.JS
Have a look at http://dailyjs.com/2010/11/01/node-tutorial/ , it's pretty relevant.
I would suggest looking at the current modules too https://github.com/joyent/node/wiki/modules and reading the code of any of the projects in the areas you are interested in, esp. the middleware, routing and module loaders.