I was camera tester for Panasonic France. I tried the Panasonic Lumix GH2 with the Lumix G Vario HD 14-140mm.
I filmed without tripod for trying the MEGA O.I.S. (Optical Image Stabilizer)
Total test pixi-motion.com/2011/04/03/test-du-panasonic-lumix-gh2-14-140mm/