Why not SolarCity. Not only is it doing tremendous in terms of a business, but it is also ground breaking in terms of technology and energy production. We as a species need to find a cleaner solution to creating energy. And SolarCity is providing that opportunity at no cost for your average joe. It would be truly satisfying to be able to help people help themselves save money, while helping ensure clean energy for future generations, and be able to provide a sustainable income for myself.