Well I finally had some time too fool around with my dvd player and do some test between DVI and Comp. video and heres my findings. First im running a Philips 55pp9753 rear projection which has only one dvi input and one high def 1080 input for either progressive scan dvd or hdtv.I have the Samsung HD-931 and Comcast hdtv motorola box which also has dvi output. Ive been running the samsung dvi output with the cable that came with the unit for about a month.I bought a ixos 9 foot dvi cable and hooked it up and the picture got worse for sure.Alot more blotchy and the color became more saturated.I find by extending the cable the picture suffers.The ixos cable was not cheap at all and very good quality. I switched the hdtv box to dvi and ran the samsung to comp. video.I liked the way the dvd picture was better then with progressive scan compared to dvi BUT and this is a BIG but for me is I could not inlarge the picture(meaning ZOOM) to make it fill the complete screen when in progressive scan mode,hmmmmmmmm. So I grabbed a panisonic progressive scan dvd player from upstairs and hooked the up,nice picture but still no zzom either.Scratching my head at this point. You see for me I cant stand to see any black bars when watching movies.I know you loose a little picture when you zoom but id rather loose picture then look at only 34 of my screen being filled. So I guess you cant zoom when using a progressive scan dvd player on a widescreen tv. By the way the dvi looked like total crap on anything but hdtv broadcast so that was out of the question. So I ended up using the samsung dvi output with the shorter cable that came with the samsung dvd player.Now at least I can make it go fullscrean again.And hooked the hdtv box back to Comp. video My conclusions. On the samsung dvd player it looks much better with Comp. video then DVI but you cant zoom unless using DVI so its DVI for now. Anyone know when the new samsung dvi dvd player will be hitting the streets?Any other helpfull hints would be great.