Assuming you're running a Sandy Bridge setup, this would be worth reading: http://techreport.com/articles.x/20377, though they're deliberately running at a lower resolution (to highlight the impact of memory performance).
If you get one, do make sure to examine it closely. The one I got had some ghosting issues on a portion of the screen:
http://www.youtube.com/watch?v=yO-73uZb4kY&feature=related
Didn't give me a good impression of LG's QA practices.
I posted that video, and it's only in a darkened room because it made it easier to demonstrate on camera. As for real world, it was first noticed while watching a movie trailer in a lit room when the "Universal" logo comes up - the trails were quite evident.
You also missed how it only ghosted...