I have been doing extensive research on:
Interlaced vs Progressive scan
I had a man ask me today while he was looking for a TV at SAM's which type of Television he should get.
My answer was this (in summary):
Since the HD signal being broadcast is Interlaced on EVERY channel, having a Progressive Scan TV is futile. I also tried to explain the difference to this person.
Note of disclaimer:
I was put on the spot by my brother-in-law when attempting to answer this question for his friend.
What I did not think about while at the store was that many DVD players are progressive scan capable or at least upconverted. Some DVD's might be able to take advantage of Progressive Scan but most are written for 1080i and the convert to - P -just fills in the gaps that - i -causes which just makes the picture look bad with artifacts.
I guess my question would actually be, does it even matter at this point? As long as it's HD, since every signal accept for a few are Interlaced, choose either one?