The answer probably depends on whether or not your Mits has a video line-doubler, progressive scan, or other similar technology. A 480p DVD player would be upconverted by this capability, as would a 480i. Both would look the same. I have a prog-scan DVD hooked up to my HDTV-ready RCA, which has no line-doubling built in, but I use a basic DVD player for the Sony HD-ready set, which has the technology to upconvert to 1080i. ... Mikw