You said it was a clean install.
Is it patched? (probably doesn't matter)
As Greg Brunelle indicated, he had the same issues.
1 Major difference between 2008 and 2003 is UAC.
Can you please try turning off UAC (which can affect Java applets- hence white screens) by going to:
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Click Start, and then click Control Panel.
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In Control Panel, click User Accounts.
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In the User Accounts window, click User Accounts.
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In the User Accounts tasks window, click Turn User Account Control on or off.
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If UAC is currently configured in Admin Approval Mode, the User Account Control message appears. Click Continue.
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Clear the Use User Account Control (UAC) to help protect your computer check box, and then click OK.
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Click Restart Now to apply the change right away, or click Restart Later and close the User Accounts tasks window.
Test! Does it work, display the proper information etc.?