Hi, I am considering the Panasonic ae700 and Sanyo Z3. I will be 2.4m away and think I have worked out correctly that I will get from 40 inch to 80 screen from a panasonic and from 63 inch to 80 inch screen from the sanyo. From peoples reccomendations you need to be 2x away from the size of the screen is this diagonal as I have worked out or is it another measurement. Either way will only the panasonic give me a screen size that stops me seeing screen door i.e 50inch (assuming the 2 x away rule is the diagonal) Or will I be ok with about 68 inches on the Sanyo (as I would like) VB on the Panasonic has really put be off this projector and knowing my luck if I got one I would see it all the time. Any comments would be helpfull. Regards Robert.