It could be that internal links still count the same, but now "big brand sites" count more, and thus jumped above you...
Originally Posted by Natural Elements
That said, I kept your question in mind, and yesterday noticed a page that used to rank well with internal links only now doesn't... so maybe you stumbled onto something here...
I could see google deciding to de-value internal links since they are controlled by the webmaster and aren't "independent votes"...
Interesting thread you started here. :D
Most likely. Usually the PR export comes as "general housekeeping" after whatever else they are doing.
Originally Posted by garfish
Though, it really doesn't matter. Because, PR values are exported to the toolbar and are already "out-of-date" by the time they are exported.