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What I understand from reading around the web is that if Google's PR are dead how come sites with higher PR are the ones with the best search results.

This is an easy question: Most people, maybe even like you, think that the Page Rank is very important. A high PR means high ranking. This is definitely wrong.
The pages that got good results in SERPs got a big Linkpower, Linkjuice, Trust, a high traffic, ... and even a PR > 4.
Not the PR is the factor that makes a good ranking instead a lot of important factors. The PR is one of those factors with a constant shrinking importance.