The GoPro HERO4 Silver includes full HD video at 60 FPS, 720p HD video at 120 FPS, 2.7k at 30 FPS, and yes, even 4k capability.
Protune mode for truly excellent video quality; Touchscreen LCD display; Best time-lapse system; 2.7k 30p video allows cropping and stabilizing in post without loss of quality; Records video and time-lapse; simultaneously; 30 FPS 12-MP still photos; Excellent built-in audio (mono; Best mounting...
Pricey compared to some other options; 4k at 15 FPS isn't really useful; No built-in image stabilization; Awkward; blocky form factor