pontifex - 1:13 pm on May 16, 2010 (gmt 0)
... as data is gathered and processed by the systems the roughness will probably wear off...
I think that part is now just a stronger ranking factor but it has been there quite a while (rember that results sometimes pointed to a redirect URL?)
The question is: HOW STRONG are these factors in the algo now?
In the past I managed quite well to make it up for missing keyword density by just pouring more links (for example).
Means: sloopy SEO could be compensated by massive linking - or: other parts of the 200 algo factors were not as strong.
Now after this update I think there might be some new "super factors" that influence the ranking very much.
If that AI theory has some ground, I am sure it is just a new evaluation of certain parts they already used in the past.
So from my point of view...
"Super factors" before MayDay: