It's not cheap (but what good camera is), but it looks like it's focusing on something that can often be overlooked. Not just nine cameras, but 64 microphones to deliver audio that aims to be appropriately immersive for a VR environment. That's the kind of thing that will make a big difference in a good VR experience.
https://www.youtube.com/watch?v=YFUMkVTVby4
Sonicam on Kickstarter, as spotted via Yanko.
