There is no way that I would pay for that service. Half the joy of going to the cinema is seeing the film on a larger than life screen -- The cost isn't even the issue. There is more to seeing a movie than just the film itself. What ever happened to the romance of going to see a movie?
I like how the video he pulls up after he's done the rendering (or so he says is the final render) doesn't have a shadow of a ping pong ball on his shirt and it magically appears a second later when it cuts to the actual final version. I guess you could write that one up as an exporting glitch. haha.
Great article and analysis of the process as a whole. What amazes me most is the stitching time. That's an incredible amount of processing that had to be done and I had no idea it took that much processing. Granted, you were working at higher resolutions than most people are for 360 video right now, but still it's still a very computer taxing process.