Motorweek has posted up their 2010 Lexus GX 460 video review:
You can definitely see the effect of the Kinetic Dynamic Suspension System (KDSS) on the handling—the lack of body roll is surprising given the speed in the corners—which is a nice counter-balance, bringing that expected Lexus luxury to the body-on-frame underpinnings.
As a bonus, you can watch the Motorweek of the 2003 Lexus GX 470 to see just how much things have changed between generations: