Best Upconverting Dvd Players Perfect Region Free Player Heard That Upconverting Dvd Players Don't Make A Difference On DLP?

Heard that upconverting dvd players don't make a difference on DLP? - best upconverting dvd players perfect region free player

Is that true? Because I thought getting to a TV 65 "rear projection, but why not, and I will do the conversion?