Michael, I did a personal quest years ago to find *as close as I could find* replacement for the creamy look of Pan-X. It turns out that Kodak recommendations to use Tmax 100 was pretty spot on; shot at 50 and processed in Microdol-X 1:0 preferably Replenished gave *as close as I could find* look that I was seeking. Creamy smooth non-blocking highlights of broad expansive light/white tones such as bridal dresses in bright sunlight. And yes, Perceptol 1:0 does look different. Something about Microdol-X 1:0 replenished and Panatomic-X just worked. Nice also at 1:3, like that Perceptol 1:3 is close enough to be identical.