Hi, Does any one know Panasonic SC-HT920 play DVD +R or +RW? Panasonic SC-HT920 manual say the unit will not play +R/+RW. I have SC-HT900, it does play DVD +RW even though the manual says it does not. I am planning to switch to SC-HT920 and have all my backup movies in DVD +R. Thanks in advance!