If I have a S3 recording a OTA HD signal from NBC or CBS, etc. will it record all content as HD or will only HD content be treated as HD? This may sound confusing, but from my experience with the SA8300HD EVERYTHING is recorded as if its HD. Perhaps this is because that box upconverts everything. I'm wondering if OTA is upconverted (by the broadcaster) as well and thus any recording from an OTA channel, or even an "OTA" channel carried by a cable provider, will be treated as HD and thus consume vast quantities of disk space.