GH5S is Multi-aspec ratio, 4:3 is 3680 x 2760 but DCI is 4096, hence the wider view and smaller crop (2X vs 1.86X) on GH5 vs GH5S using same focal length.
Currently I found most of the competitor's gimbal is not as smooth as DJI do, can jitter here and there.
Micro Camera is only super 16 (1"), this one is full M43 sensor, lowlight will be better for sure, and it record both raw and h.264 at same time (raw to ssd and h.264 to microsd)
tree is the #1 drone killer, I saw two inspire 1 with arm broke off after colliding with the tree in separate incidents
I myself crashed inspire 1 to the tree and dropped to the ground, luckily only the rubber piece (connect to the plate) and some wire broke off as it was landing on grass area and not some hard surface.
Also, I would put insurance as the #1 priority list, if you cause damage to people/vehicle/property expect to pay a lot..
This sums up the difference, there is a lot more than just warp on Microsoft'shttp://research.microsoft.com/en-us/um/redmond/projects/hyperlapse/igcomp/
Yes you can, it is called Galaxy NX from Samsung