With ample deployments based on DOCSIS 3.0, Comcast (NASDAQ: CMCSA) is still very much committed to its hybrid fiber coax network. But the MSO's proposal to build a fiber-to-the-home network supporting 530 homes in Sun Valley, Fla., shows it also has plenty of interest in competing with Google (NASDAQ: GOOG) and Verizon (NYSE: VZ) for fiber-based broadband services. FierceTelecom has the complete story here.