The guys from Mobile-review.com compare the Super Amoled from the Samsung Wave and the Amoled from the Google Nexus One.

Mobile-Review.com says:
The new type of capacitive displays also comes with a handful of advantages:

even a light press will suffice (previously, the Apple iPhone was the boss in this department, now Samsung is about to take over);
top-notch readability under direct sunlight;
screen brightness - absolutely unbelievable colors (AMOLED topped TFT, Super AMOLED will best everything);
display's lifetime has increased immensely thanks to the absence of layers of air;