I am looking at purchasing a 2002 Grand Caravan. The stereo in this car is the Deluxe model having both CD and Cassette, and the Infinity Speakers. So here is the question! Will the stock stereo play discs that are encoded with WMA and/or MP3 files??? I had a great after-market stereo in my 1994 GC that would play normal CDs, WMA, AND MP3s! I loved packing a CD-R with over six albums of music! No noticable loss of audio quality on WMA, and only slightly on MP3 - and SOOO conveinient! Anyone know?