This is Leo (from Italy), a long time Ubuntu/Debian contributor.
I have recently worked with nodejs and developed an interface for Deb-o-Matic.
I found it easy to learn and (thanks to npm) a really complete framework.
Anyway ... while I was starting to use some node_module locally I
figured out how many of them are not still packaged for debian.
So, I would like to give you a hand (if you need).
For this I started to develop a script `npm2deb` (python) which get
information about module from npm and write down a base for the
debian/* files automatically.
It seems work fine (at least with simple modules, like node-bytes or similiar).
Would you like test it and give me a feedback ?
All the best,
 - https://github.com/LeoIannacone/npm2deb/
Ubuntu Member - http://launchpad.net/~l3on
Home Page - http://leoiannacone.com
GPG Key Id - 0xD282FC25