Chrome has substantially better JavaScript performance than Safari on my machine.

Chrome beta (full report)

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Total:                  601.2ms +/- 5.6%
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Safari 4 (full report)

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Total:                  699.0ms +/- 2.5%
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Significant improvements across nearly all test cases.

The beta version is now available.

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A lesser-known but informative online book by Google.

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TechCrunch has developed a Mac Chromium Updater utility “that allows you to easily ensure that you have the latest version at all times”.

The project is coming along nicely, but Safari 4 is still easily the browser of choice for me.