BTW... to the guys at SmashingMagazine: Stellar job! It is definitely one of my favorite sites, and one of the best on the web.
Google PageRank: What Do We Know About It? | Smashing Magazine: "In this article we put the facts straight.
Over the last weeks we’ve done an extensive research and selected dozens of facts and suggestions about PageRank, which seem to be true in practice. Besides, we’ve collected academic papers related to the issue - such as scientific proposals for better search results (such as Topic-Sensitive PageRank); you’ll also find references to mathematical background of PageRank as well as 16 useful PageRank tools you can use to analyze und track the ranking of your web-projects."