I have problems with 60fps
I have problems with 60fps and the 120fps but I expected that for the 120 but I don't have any with 30fps.
I haven't really tried the 120fps much and I know it's my computer not the camera.
Both my camera's get quite hot but nothing I'm really worried about.
I have noticed a big difference between the Silver Edition and Black Edition.
I noticed the Black Edition video footage is much more saturated and darker than the Silver Edition, I've also noticed with the Black Edition if I shoot in high contrast areas, on the sides of the video footage (in my case any way) there tends to be some purple fringing, especially around trees or building edges. For example if the sky appears very bright with clouds but the foreground is very dark, you can actually see a purple tinge on outlines of trees etc.
I did email GoPro asking why my Black Edition seems to have this problem but not the Silver Edition (well not that I have noticed). As it turned out, in some cases, the lens has not been cleaned properly when it leaves the manufacturer and in my case there was a very fine purple film covering the lens. When I cleaned it off, it is better but there is still a slight purple tinge. I have noticed the lens colouring itself is also darker then the silver edition. If you hold them side by side in the sunlight, you can actually see the lens (glass) are different. the Silver Edition appears much clearer than the Black Edition. I had never noticed that before and don't know if this accounts for the purple fringing that appears on my videos in the Black Edition?
Since I have noticed it in my videos, I've been looking on youtube at other footage from the Black Edition and in some cases, I see they too have the purple fringing, especially when tree tops meet bright cloudy skies, so I guess I'm not alone. Have you ever noticed anything like that?
If I could fix the purple fringing, I would be extremely happy with both editions but the purple fringing seems to bother me, hence why I don't think I would recommend the Black Edition.
One last thing, the wifi connection seems to drain the battery faster, but that's really no big drama for me, just buy an extra battery.
Still with all it's little quirks, for me it's still beats many video camera's you'd buy for the same price. If only it had a zoom!