Sony made a nice pre-NAB announcement in the form of their latest NEX camera, the FS700. The FS700 features an incredible sensor that will be capable of shooting 4k (while using an external recorder,) although this feature won’t be available at launch. The camera is also able to to shoot all way up to 960fps (at 720p, 240fps at 1080p in an 8 second burst.)
There are still more details to be known, but it’s rumored price is $10,000 or below. For more info check out Sony’s press release.