I thought I would post a follow up to my post a while back about loosening the screws to get rid of clouding. It seems to be holding up. I only use standard mode, because the local dimming doesn't seem to work in movie mode. Also I noticed that on the various HDMI ports not all adjustments are a available. My AV receiver doesn't support 3D HDMI, so the DirecTV and PS3 got straight to the TV. But 3D is not appealing, and I was thinking off switching all through the receiver. But I noticed that DirecTV needed different adjustments as compared to AppleTV and PS3. So I decided to use all three inputs to the TV and optical cable back to the AVR. DirecTV picture tends to be really saturated, I turn color down compared to the other inputs.
Also, I finally found the "Game" mode referenced here, for those who don't know where it is, it is under Settings and then General.