Just ordered this like!
Amazon wouldn't ship it here because Battery...
So, just collected one of these for my holibobs instead....
Looks better for less money imho
Here's a tip (you've prolly already sussed): if you have a dashcam take it with you (+ loads of memory cards) Helps if some local runs into you and we just had fun fast forwarding of us driving over the bridge, round Sydney, Centennial Park etc etc. Most of the coverage is just boring highway and town driving but then you get those moments that are brilliant
If only I'd taken loads of cards and changed them often. All the Blue Mountain driving was written over
The Sony has optical image stabilisation which works at 4K and roduces impressive results... but the GoPro is waterproof and as you say, substantially cheaper (although I've spunked moar cash away on a second battery and a zillionteen mounts...
Good call on the dash cam, I was going to use the GoPro but it would be simpler to have one on the screen all the time - mine has a 32Gbyte card in it and lasts ages...
I'm also taking a 1Tb USB disc with me that I can dump photos and videos onto...