I had our ZT calibrated a couple of days ago - not a HUGE difference, but it does bring out more nuances/details in the mid-range, and the darkest and lightest parts of an image have more detail too.
Tried the settings you posted but it's a bit too dark, need to play about.
Liking being able to send YouTube videos to it from my phone. Only got 1 pair of 3D glasses, eyes felt too strained even if it did look quite good with a few demos I found on YouTube, probably won't use it much though.