I am truly amazed at the low light ability of this camera. This video was taken in a dark aquarium with very little lighting. +3 Gain, auto everything else.
Files dropped into FCP 7, edited, exported to YouTube Settings via Share menu.
No color correction or noise reduction applied.

Easy as pie.

Take a look at this Underwater Symphony on Vimeo

David

I used the 72mm MOOSE Warming Polarizing Filter. Also ND filter engaged. So got good control of exposing whites and warmed sun.

I agree, Ive had mine for only a week, but it seems the low light is very, very good.
Im still trying to learn the manual settings (the cam seems capable of way way more than my talent is allowing). Once you get used to the buttons and switches this is going to be awesome. Luv this camera.
Heres my first time out with it.
YouTube - JVC GY HM100 My first day..... (http://www.youtube.com/watch?v=Pn3-FL0Xebo)