Just looked on NX10 firmware and it looks that it also have special DEVELOPER MENU.
One of the most useful functions is ability to disable movie recording limit and allow to work with any lenses without costly chipped adapter.
May be it'll be possible to make it output RAW data during recording via HDMI, or at least bump H.264 bitrate even higher.
1) Looks like CPU is FR based, so tools from our site could be useful.
2) Lots of information about source files reside inside binary image.