The following people put their name down to continue the conversation on this topic:
Ben Nickolls
Mehdi Medjoui
Brian Exelbird
Xavier Damman (ehtical models for consulting/developing)
Camille Moulin
Devon Zuegel (open source as a viable, lucrative career option)
Adam Jacob recently launched The Sustainable Free and Open Source Community (we are hosting their forum here: #community:sfosc) I would check out their Business Models.