I have the same TV. Checked the hours and she has around 15,000 hours of use. It's broken in. Wink Here's my settings. I have a Dish Network VIP622 DVR and Blu-Ray and both look great with these settings. I've been using them for a couple of years now.

Picture Mode - Standard
Picture - +30
Brightness - +7
Color - 0
Tint - 0
Sharpness - +16
Color Temp - Normal
Color Mng - Off
MPEG NR - Off
Black level - light