So tonight I had a chance to play around with a 60" GT30 at my local Best Buy.. My goal was to make the whites white and the black black with eye popping color.. Once done this TV looked fantastic and easily stuck out as having the best picture of all the sets around it.. Again, this was done at a local Best Buy store.. So if it's too bright for your house don't shoot the messenger! Instead, have some fun and give it a try.
Make the following changes to the Custom Picture Mode;
W/B high G; -25 (under pro)
W/B low G; -11 (under pro)
Tint; fine tweak to your source
Color Temp; Cool 2
Panel Brightness; medium
Motion Smoother; weak
*Everything else at default. The Build date on the store demo was May 2011.