As an N810 N900 N9 user I have a massive interest in this phone. I think firefox os is pretty garbage, I think tizen has a chance because samsung is putting a lot of power behind it. I think ubuntu mobile has potential but would rather see the work started by maemo carried on.
I wish more people had been exposed to the maemo OS and its predecessors as it is still the best mobile OS I have ever used.
what is the latency. Satellite in rural areas has horrible latency, the downlink is fast so downloading large files of streaming video is possible, but using things like gmail with frequent requests is almost unusable.