I see a lot of mistakes pointed out here, but also a lot of claims about preferences, many contradictory. Are there any plans to A/B test stuff or at least something more rigorous than 'I agree with X, that blue is too dark'?
Probably not; too expensive.
Here is the welcome blog post for the new singularity.org.
There's a bug on the media page, and another with blog comments, and these bugs will be fixed later today.