Curioso, visto che su cleveland plasma dell'ST30 dicono proprio l'opposto: "I looked for signs of floating blacks and the dirty screen effect and found nothing".
In più su highdefjunkies l'utente gmarceau, che possiede un ST30 dice: "The best part is stable blacks!!! While this should have been a given in the first place, it's nice to see the fix. I agree with you about the image, it really has more depth than what I have seen from last year's models."
E davidjschenk, che ha pubblicato una lunga recensione con tanto di video, aggiunge: "I quite agree on the stable black levels. I looked hard for any floating and saw none. That is one thing to which I am very sensitive, unfortunately, but so far this year's Panasonic PDPs seem to be free from it."