TheMadScientist - 9:53 pm on Jan 6, 2010 (gmt 0)

Why are you saying that result are now personalized?

Personalized Search Now Default; SEO and Privacy Changed Forever [webmasterworld.com]

You really can't tell anything about where your article appears to other browsers in Google's results any more... All results are personalized by default whether you're logged in or not, so in your browser specific resultset the page appears to be moving back to the top spot, but that may or may not be where it appears when searching using any other browser, even on the same computer. The results are now personalized, basically in a browser specific manner...