Interesting numbers. The problem is that if no one updates then we will have some problems. However Gavin said that he wanted to start early because if it is going to happen, it might take 6 months or longer to get switched over to the new version.
Miners are also going to play an important role into this. While Mike claimed to have spoken to several service providers, we know that he was into disagreement with Chinese miners not too long ago. It's surely going to be interesting watching this.