Why does the new version of iTunes cause my CPU to spike?

I've downloaded the newest version of iTunes (and even reinstalled it, to be sure).  [Version 10.7.0.21].
When it is idle, or at least, when it is supposed to be idle, it causes my CPUs to run up quite a load.  Up to 27% from 4%.  This appears to be centered on the program AppleMobileDeviceService.exe, which accounts for about 25% of my overall processor load.
The processors cool off and quiet down as soon as I end that task. 
Is this a known bug in the new app, or is this just me?
-Steve

I just found out from another post on how you can fix the issue.  Open QuickTime Player on your computer and go to Edit >> Preferences >> QuickTime Preferences.  Once your in QuickTime Preferences, click on the "Advanced" tab then uncheck the box that says "Enable Direct3D video acceleration".  I tried this and it seemed to solve my problem.  Hope it works for you! 

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