I have yet to form an opinion as of yet. The pillow is okay, but in my opinion could be thicker. It has a tendency to flatten out a bit much, but when incorporated over another pillow, it is very comfortable.
I am a pillow flipper, constantly turning it when it goes "flat" during the night. I have found the perfect amount of softness and firmness, and it "fluffs" back up quickly!
I tried 3 department store memory foam pillows before I tried the Ghostbed pillow, and there is no comparison! This is the most comfortable pillow I've ever used! I'm a side sleeper, but even my back sleeping husband likes it.