For me IV is at the top, I know it's the most popular and all but I still think it's the best. Then all the others besides ITTOD are so closely bunched it juts depends on the day. ITTOD though is waaay below whatever is 7th best. So the gap between 2nd best and 7th best is not nearly as big as the gap between the 7th best album and ITTOD. Not saying that album completely sucks, but it's not anywhere close to the others imo.
If you were to split up Physical Graffiti, I would comfortably put Disc 1 just behind IV, and put disc II in front of ITTOD but well behind the other 7 albums.
Been thinking about my rankings since the other thread