My letter to Pioneer wasn't related to open source. It was related to firmware and software updates, and upgrades. Module, cable, and harness compatibility with other Avic units, iPod, USB, B/T, XM, Sirius. Prompt technical support and an overall interest in seeing their products compete in the Navigation marketplace. I guess I didn't think that far ahead. The fact that I paid 999.00 for the unit and another 500.00 or so for the additional modules only to have Pioneer decide to have a blue light special and blow it all out for less than 500.00. This was less than a year later? If the price ge