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Chrome now has Print Preview built-in into its print function. Another nice feature it that it automatically focuses on the Web page's important content. Now, if it only worked properly on Macs all the time...
At the moment, Chrome's new audio support is more of a neat trick than useful, but it is a heck of a trick and I can see really neat games and applications in its future.
You could always run Web applications in Chrome, but with Native Client you'll soon be able to run native desktop applications within Chrome as well.