Win7 machines that had IE8 upgraded to IE9 render all pages fine; those that had IE9 installed...

Here's an example: http://www.centraloregonian.com/PCOCalendarHome.shtml This page renders fine in every browser I can get my hands on except for IE9. And the problem only occurs on machines that never had an earlier version of IE installed on them. Nothing other than turning off CSS allows them to render in IE9. Changing the GPU setting has no effect. Changing compatibility mode has no effect. We have a twenty machines in the company so far like this. We've always insisted on users browsing with IE because of the managed updating through WSUS and single-vendor security issue. We'll need to switch to a different browser company-wide (320 machines) if we can't get this resolved. Any suggestions?

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