I've never been able to find the answer to this question. On the various 4:3 sets out there that are HDTV ready, when viewing an HDTV signal I assume they do the "squeeze trick" to display the full 16:9 image. One might say the set creates a virtual 16:9 HDTV within it's 4:3 field. My question is this; is that virtual 16:9 set displaying the full number of achevable lines of resolution? If one where recieving a 1080i signal, would all 1080 lines be displayed, or is the image comprimised? I hope this question makes sense.