This is a really important topic - that is holding up use of stereo video by wider community.
My most recent understanding for the go-pro problem is that it is bad when either the cameras or back ground move or light changes.
And something to do with the refresh rate on the rolling shutter being not that quick - whereas the refresh rate on handy cams with CMOS chips are quicker so not so much of a prob. As CMOS cameras also have a rolling shutter.
Anyone know if the Sony action cameras are any good?