Yetibuddha, what general geographic area are you in? We've thought it might be some issue with the Silicon Valley radio waves, but if you're in another area, that will make it all the more curious...

I just picked my car up from the dealership and gave printouts of all of these posts to our wonderful service guy. He was intrigued by the issues - Ford's corporate service dept told him to order two more sets of CDs to see if the problem happens with them too. We'll see!